79672938290 has 64 divisors (see below), whose sum is σ = 160261770240. Its totient is φ = 28267323840.

The previous prime is 79672938287. The next prime is 79672938341. The reversal of 79672938290 is 9283927697.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4565201 + ... + 4582619.

It is an arithmetic number, because the mean of its divisors is an integer number (2504090160).

Almost surely, 2^79672938290 is an apocalyptic number.

79672938290 is an abundant number, since it is smaller than the sum of its proper divisors (80588831950).

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

79672938290 is a wasteful number, since it uses less digits than its factorization.

79672938290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18447.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 79672938290 in words is "seventy-nine billion, six hundred seventy-two million, nine hundred thirty-eight thousand, two hundred ninety".