79549663290 has 32 divisors (see below), whose sum is σ = 195575760576. Its totient is φ = 20695847040.

The previous prime is 79549663283. The next prime is 79549663321. The reversal of 79549663290 is 9236694597.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32336032 + ... + 32338491.

It is an arithmetic number, because the mean of its divisors is an integer number (6111742518).

Almost surely, 2^79549663290 is an apocalyptic number.

79549663290 is an abundant number, since it is smaller than the sum of its proper divisors (116026097286).

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

79549663290 is a wasteful number, since it uses less digits than its factorization.

79549663290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64674574.

The product of its (nonzero) digits is 22044960, while the sum is 60.

The spelling of 79549663290 in words is "seventy-nine billion, five hundred forty-nine million, six hundred sixty-three thousand, two hundred ninety".