76916431 has 2 divisors, whose sum is σ = 76916432. Its totient is φ = 76916430.

The previous prime is 76916429. The next prime is 76916447. The reversal of 76916431 is 13461967.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76916431 - 2¹ = 76916429 is a prime.

It is a super-2 number, since 2×76916431² = 11832274715555522, which contains 22 as substring.

Together with 76916429, 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 (76916401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38458215 + 38458216.

It is an arithmetic number, because the mean of its divisors is an integer number (38458216).

Almost surely, 2^76916431 is an apocalyptic number.

76916431 is a deficient number, since it is larger than the sum of its proper divisors (1).

76916431 is an equidigital number, since it uses as much as digits as its factorization.

76916431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 76916431 is about 8770.2013089780. The cubic root of 76916431 is about 425.2781219929.

The spelling of 76916431 in words is "seventy-six million, nine hundred sixteen thousand, four hundred thirty-one".