79439045580 has 72 divisors (see below), whose sum is σ = 240996790944. Its totient is φ = 21180960000.

The previous prime is 79439045533. The next prime is 79439045597. The reversal of 79439045580 is 8554093497.

79439045580 is a `hidden beast` number, since 79 + 43 + 9 + 0 + 455 + 80 = 666.

It is a super-2 number, since 2×79439045580² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1595665 + ... + 1644695.

It is an arithmetic number, because the mean of its divisors is an integer number (3347177652).

Almost surely, 2^79439045580 is an apocalyptic number.

It is an amenable number.

79439045580 is an abundant number, since it is smaller than the sum of its proper divisors (161557745364).

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

79439045580 is a wasteful number, since it uses less digits than its factorization.

79439045580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58047 (or 58042 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 79439045580 in words is "seventy-nine billion, four hundred thirty-nine million, forty-five thousand, five hundred eighty".