76940929631 has 2 divisors, whose sum is σ = 76940929632. Its totient is φ = 76940929630.

The previous prime is 76940929613. The next prime is 76940929649. The reversal of 76940929631 is 13692904967.

Together with previous prime (76940929613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (76940929613) and next prime (76940929649).

It is a cyclic number.

It is not a de Polignac number, because 76940929631 - 2¹⁰ = 76940928607 is a prime.

It is a super-2 number, since 2×76940929631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76940929831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38470464815 + 38470464816.

It is an arithmetic number, because the mean of its divisors is an integer number (38470464816).

Almost surely, 2^76940929631 is an apocalyptic number.

76940929631 is a deficient number, since it is larger than the sum of its proper divisors (1).

76940929631 is an equidigital number, since it uses as much as digits as its factorization.

76940929631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 76940929631 in words is "seventy-six billion, nine hundred forty million, nine hundred twenty-nine thousand, six hundred thirty-one".