It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 977 377 is not a prime number.
For example, 977 377 can be divided by 101: 977 377 / 101 = 9 677.
For 977 377 to be a prime number, it would have been required that 977 377 has only two divisors, i.e., itself and 1.
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977 377 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 977 377 is about 988.624.
Thus, the square root of 977 377 is not an integer, and therefore 977 377 is not a square number.
The square of a number (here 977 377) is the result of the product of this number (977 377) by itself (i.e., 977 377 × 977 377); the square of 977 377 is sometimes called "raising 977 377 to the power 2", or "977 377 squared".
The square of 977 377 is 955 265 800 129 because 977 377 × 977 377 = 977 3772 = 955 265 800 129.
As a consequence, 977 377 is the square root of 955 265 800 129.
The multiples of 977 377 are all integers evenly divisible by 977 377, that is all numbers such that the remainder of the division by 977 377 is zero. There are infinitely many multiples of 977 377. The smallest multiples of 977 377 are: