79924778796 has 24 divisors (see below), whose sum is σ = 186549355440. Its totient is φ = 26633277952.

The previous prime is 79924778783. The next prime is 79924778797. The reversal of 79924778796 is 69787742997.

It is not an unprimeable number, because it can be changed into a prime (79924778797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999261 + ... + 1076276.

It is an arithmetic number, because the mean of its divisors is an integer number (7772889810).

Almost surely, 2^79924778796 is an apocalyptic number.

It is an amenable number.

79924778796 is an abundant number, since it is smaller than the sum of its proper divisors (106624576644).

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

79924778796 is a wasteful number, since it uses less digits than its factorization.

79924778796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078753 (or 2078751 counting only the distinct ones).

The product of its digits is 672126336, while the sum is 75.

The spelling of 79924778796 in words is "seventy-nine billion, nine hundred twenty-four million, seven hundred seventy-eight thousand, seven hundred ninety-six".