79879992694 has 8 divisors (see below), whose sum is σ = 119823670728. Its totient is φ = 39938769120.

The previous prime is 79879992637. The next prime is 79879992701. The reversal of 79879992694 is 49629997897.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 529972 + ... + 663799.

It is an arithmetic number, because the mean of its divisors is an integer number (14977958841).

Almost surely, 2^79879992694 is an apocalyptic number.

79879992694 is a deficient number, since it is larger than the sum of its proper divisors (39943678034).

79879992694 is a wasteful number, since it uses less digits than its factorization.

79879992694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227230.

The product of its digits is 1111065984, while the sum is 79.

The spelling of 79879992694 in words is "seventy-nine billion, eight hundred seventy-nine million, nine hundred ninety-two thousand, six hundred ninety-four".