79646816012 has 24 divisors (see below), whose sum is σ = 146941430496. Its totient is φ = 37699250688.

The previous prime is 79646815993. The next prime is 79646816063. The reversal of 79646816012 is 21061864697.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4453583 + ... + 4471430.

It is an arithmetic number, because the mean of its divisors is an integer number (6122559604).

Almost surely, 2^79646816012 is an apocalyptic number.

It is an amenable number.

79646816012 is a deficient number, since it is larger than the sum of its proper divisors (67294614484).

79646816012 is a wasteful number, since it uses less digits than its factorization.

79646816012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925137 (or 8925135 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 79646816012 in words is "seventy-nine billion, six hundred forty-six million, eight hundred sixteen thousand, twelve".