79861237804 has 12 divisors (see below), whose sum is σ = 141440988024. Its totient is φ = 39449526944.

The previous prime is 79861237789. The next prime is 79861237837. The reversal of 79861237804 is 40873216897.

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, 120272617 + ... + 120273280.

It is an arithmetic number, because the mean of its divisors is an integer number (11786749002).

Almost surely, 2^79861237804 is an apocalyptic number.

It is an amenable number.

79861237804 is a deficient number, since it is larger than the sum of its proper divisors (61579750220).

79861237804 is a wasteful number, since it uses less digits than its factorization.

79861237804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240545984 (or 240545982 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 79861237804 in words is "seventy-nine billion, eight hundred sixty-one million, two hundred thirty-seven thousand, eight hundred four".