76912831 has 2 divisors, whose sum is σ = 76912832. Its totient is φ = 76912830.

The previous prime is 76912799. The next prime is 76912837. The reversal of 76912831 is 13821967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76912831 - 2⁵ = 76912799 is a prime.

It is a super-2 number, since 2×76912831² = 11831167144869122, 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 (76912837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38456415 + 38456416.

It is an arithmetic number, because the mean of its divisors is an integer number (38456416).

Almost surely, 2^76912831 is an apocalyptic number.

76912831 is a deficient number, since it is larger than the sum of its proper divisors (1).

76912831 is an equidigital number, since it uses as much as digits as its factorization.

76912831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 76912831 is about 8769.9960661337. The cubic root of 76912831 is about 425.2714869774.

The spelling of 76912831 in words is "seventy-six million, nine hundred twelve thousand, eight hundred thirty-one".