76440725979 has 16 divisors (see below), whose sum is σ = 104702867712. Its totient is φ = 49570252128.

The previous prime is 76440725969. The next prime is 76440725983. The reversal of 76440725979 is 97952704467.

It is not a de Polignac number, because 76440725979 - 2²⁷ = 76306508251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76440725969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347682 + ... + 523224.

It is an arithmetic number, because the mean of its divisors is an integer number (6543929232).

Almost surely, 2^76440725979 is an apocalyptic number.

76440725979 is a deficient number, since it is larger than the sum of its proper divisors (28262141733).

76440725979 is a wasteful number, since it uses less digits than its factorization.

76440725979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179506.

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 76440725979 in words is "seventy-six billion, four hundred forty million, seven hundred twenty-five thousand, nine hundred seventy-nine".