79379980 has 24 divisors (see below), whose sum is σ = 167096160. Its totient is φ = 31676160.

The previous prime is 79379959. The next prime is 79380001. The reversal of 79379980 is 8997397.

It is an interprime number because it is at equal distance from previous prime (79379959) and next prime (79380001).

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, 4260 + ... + 13300.

It is an arithmetic number, because the mean of its divisors is an integer number (6962340).

Almost surely, 2^79379980 is an apocalyptic number.

It is an amenable number.

79379980 is an abundant number, since it is smaller than the sum of its proper divisors (87716180).

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

79379980 is a wasteful number, since it uses less digits than its factorization.

79379980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489 (or 9487 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 79379980 is about 8909.5443205587. The cubic root of 79379980 is about 429.7708893054.

The spelling of 79379980 in words is "seventy-nine million, three hundred seventy-nine thousand, nine hundred eighty".