9616976917 has 2 divisors, whose sum is σ = 9616976918. Its totient is φ = 9616976916.

The previous prime is 9616976903. The next prime is 9616976921. The reversal of 9616976917 is 7196796169.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9251746596 + 365230321 = 96186^2 + 19111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9616976917 is a prime.

It is a super-2 number, since 2×9616976917² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9616976947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4808488458 + 4808488459.

It is an arithmetic number, because the mean of its divisors is an integer number (4808488459).

Almost surely, 2^9616976917 is an apocalyptic number.

It is an amenable number.

9616976917 is a deficient number, since it is larger than the sum of its proper divisors (1).

9616976917 is an equidigital number, since it uses as much as digits as its factorization.

9616976917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 61.

The square root of 9616976917 is about 98066.1864099956. The cubic root of 9616976917 is about 2126.5692246304.

The spelling of 9616976917 in words is "nine billion, six hundred sixteen million, nine hundred seventy-six thousand, nine hundred seventeen".