79660868464 has 10 divisors (see below), whose sum is σ = 154342932680. Its totient is φ = 39830434224.

The previous prime is 79660868461. The next prime is 79660868479. The reversal of 79660868464 is 46486806697.

It is a junction number, because it is equal to n+sod(n) for n = 79660868396 and 79660868405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79660868461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489402124 + ... + 2489402155.

It is an arithmetic number, because the mean of its divisors is an integer number (15434293268).

Almost surely, 2^79660868464 is an apocalyptic number.

It is an amenable number.

79660868464 is a deficient number, since it is larger than the sum of its proper divisors (74682064216).

79660868464 is a wasteful number, since it uses less digits than its factorization.

79660868464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978804287 (or 4978804281 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 79660868464 in words is "seventy-nine billion, six hundred sixty million, eight hundred sixty-eight thousand, four hundred sixty-four".