79959580 has 12 divisors (see below), whose sum is σ = 167915160. Its totient is φ = 31983824.

The previous prime is 79959547. The next prime is 79959587. The reversal of 79959580 is 8595997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79959587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998970 + ... + 1999009.

It is an arithmetic number, because the mean of its divisors is an integer number (13992930).

Almost surely, 2^79959580 is an apocalyptic number.

It is an amenable number.

79959580 is an abundant number, since it is smaller than the sum of its proper divisors (87955580).

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

79959580 is a wasteful number, since it uses less digits than its factorization.

79959580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997988 (or 3997986 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 52.

The square root of 79959580 is about 8942.0120778268. The cubic root of 79959580 is about 430.8143572394.

The spelling of 79959580 in words is "seventy-nine million, nine hundred fifty-nine thousand, five hundred eighty".