76399825824 has 72 divisors (see below), whose sum is σ = 248299440480. Its totient is φ = 21828521088.

The previous prime is 76399825793. The next prime is 76399825847. The reversal of 76399825824 is 42852899367.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18946354 + ... + 18950385.

It is an arithmetic number, because the mean of its divisors is an integer number (3448603340).

Almost surely, 2^76399825824 is an apocalyptic number.

It is an amenable number.

76399825824 is an abundant number, since it is smaller than the sum of its proper divisors (171899614656).

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

76399825824 is a wasteful number, since it uses less digits than its factorization.

76399825824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37896762 (or 37896751 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 76399825824 in words is "seventy-six billion, three hundred ninety-nine million, eight hundred twenty-five thousand, eight hundred twenty-four".