79666542112 has 48 divisors (see below), whose sum is σ = 159851325312. Its totient is φ = 39069838080.

The previous prime is 79666542103. The next prime is 79666542139. The reversal of 79666542112 is 21124566697.

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, 8758687 + ... + 8767777.

It is an arithmetic number, because the mean of its divisors is an integer number (3330235944).

Almost surely, 2^79666542112 is an apocalyptic number.

It is an amenable number.

79666542112 is an abundant number, since it is smaller than the sum of its proper divisors (80184783200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79666542112 is a wasteful number, since it uses less digits than its factorization.

79666542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14321 (or 14313 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 79666542112 in words is "seventy-nine billion, six hundred sixty-six million, five hundred forty-two thousand, one hundred twelve".