76731152513456 has 80 divisors (see below), whose sum is σ = 177855710220288. Its totient is φ = 31375755129600.

The previous prime is 76731152513447. The next prime is 76731152513459. The reversal of 76731152513456 is 65431525113767.

It is a super-2 number, since 2×76731152513456² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (76731152513459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155387195 + ... + 155880218.

Almost surely, 2^{76731152513456} is an apocalyptic number.

It is an amenable number.

76731152513456 is an abundant number, since it is smaller than the sum of its proper divisors (101124557706832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76731152513456 is a wasteful number, since it uses less digits than its factorization.

76731152513456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311267530 (or 311267524 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 56.

The spelling of 76731152513456 in words is "seventy-six trillion, seven hundred thirty-one billion, one hundred fifty-two million, five hundred thirteen thousand, four hundred fifty-six".