79836628404 has 24 divisors (see below), whose sum is σ = 200615117920. Its totient is φ = 24565116384.

The previous prime is 79836628393. The next prime is 79836628427. The reversal of 79836628404 is 40482663897.

It is a congruent number.

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, 255886474 + ... + 255886785.

Almost surely, 2^79836628404 is an apocalyptic number.

It is an amenable number.

79836628404 is an abundant number, since it is smaller than the sum of its proper divisors (120778489516).

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

79836628404 is a wasteful number, since it uses less digits than its factorization.

79836628404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511773279 (or 511773277 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 79836628404 in words is "seventy-nine billion, eight hundred thirty-six million, six hundred twenty-eight thousand, four hundred four".