76964431 has 2 divisors, whose sum is σ = 76964432. Its totient is φ = 76964430.

The previous prime is 76964429. The next prime is 76964471. The reversal of 76964431 is 13446967.

It is an a-pointer prime, because the next prime (76964471) can be obtained adding 76964431 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76964431 - 2¹ = 76964429 is a prime.

It is a super-2 number, since 2×76964431² = 11847047278307522, which contains 22 as substring.

Together with 76964429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76964401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38482215 + 38482216.

It is an arithmetic number, because the mean of its divisors is an integer number (38482216).

Almost surely, 2^76964431 is an apocalyptic number.

76964431 is a deficient number, since it is larger than the sum of its proper divisors (1).

76964431 is an equidigital number, since it uses as much as digits as its factorization.

76964431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 76964431 is about 8772.9374214114. The cubic root of 76964431 is about 425.3665690894.

The spelling of 76964431 in words is "seventy-six million, nine hundred sixty-four thousand, four hundred thirty-one".