76996831 has 2 divisors, whose sum is σ = 76996832. Its totient is φ = 76996830.

The previous prime is 76996817. The next prime is 76996841. The reversal of 76996831 is 13869967.

It is a strong prime.

It is an emirp because it is prime and its reverse (13869967) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76996831 is a prime.

It is a super-2 number, since 2×76996831² = 11857023968085122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76996841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38498415 + 38498416.

It is an arithmetic number, because the mean of its divisors is an integer number (38498416).

Almost surely, 2^76996831 is an apocalyptic number.

76996831 is a deficient number, since it is larger than the sum of its proper divisors (1).

76996831 is an equidigital number, since it uses as much as digits as its factorization.

76996831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 76996831 is about 8774.7838150008. The cubic root of 76996831 is about 425.4262500925.

The spelling of 76996831 in words is "seventy-six million, nine hundred ninety-six thousand, eight hundred thirty-one".