It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 977 917 is not a prime number.
For example, 977 917 can be divided by 521: 977 917 / 521 = 1 877.
For 977 917 to be a prime number, it would have been required that 977 917 has only two divisors, i.e., itself and 1.
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977 917 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 977 917 is about 988.897.
Thus, the square root of 977 917 is not an integer, and therefore 977 917 is not a square number.
The square of a number (here 977 917) is the result of the product of this number (977 917) by itself (i.e., 977 917 × 977 917); the square of 977 917 is sometimes called "raising 977 917 to the power 2", or "977 917 squared".
The square of 977 917 is 956 321 658 889 because 977 917 × 977 917 = 977 9172 = 956 321 658 889.
As a consequence, 977 917 is the square root of 956 321 658 889.
The multiples of 977 917 are all integers evenly divisible by 977 917, that is all numbers such that the remainder of the division by 977 917 is zero. There are infinitely many multiples of 977 917. The smallest multiples of 977 917 are: