976869631 has 2 divisors, whose sum is σ = 976869632. Its totient is φ = 976869630.

The previous prime is 976869601. The next prime is 976869643. The reversal of 976869631 is 136968679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 976869631 - 2⁵ = 976869599 is a prime.

It is a super-2 number, since 2×976869631² = 1908548551940152322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (976869601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488434815 + 488434816.

It is an arithmetic number, because the mean of its divisors is an integer number (488434816).

Almost surely, 2^976869631 is an apocalyptic number.

976869631 is a deficient number, since it is larger than the sum of its proper divisors (1).

976869631 is an equidigital number, since it uses as much as digits as its factorization.

976869631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The square root of 976869631 is about 31254.9137096873. The cubic root of 976869631 is about 992.2296551272.

The spelling of 976869631 in words is "nine hundred seventy-six million, eight hundred sixty-nine thousand, six hundred thirty-one".