79309988876 has 12 divisors (see below), whose sum is σ = 140139981072. Its totient is φ = 39269994288.

The previous prime is 79309988869. The next prime is 79309988899. The reversal of 79309988876 is 67888990397.

It is a super-2 number, since 2×79309988876² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96249575 + ... + 96250398.

It is an arithmetic number, because the mean of its divisors is an integer number (11678331756).

Almost surely, 2^79309988876 is an apocalyptic number.

It is an amenable number.

79309988876 is a deficient number, since it is larger than the sum of its proper divisors (60829992196).

79309988876 is a wasteful number, since it uses less digits than its factorization.

79309988876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192500080 (or 192500078 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 74.

The spelling of 79309988876 in words is "seventy-nine billion, three hundred nine million, nine hundred eighty-eight thousand, eight hundred seventy-six".