80980980 has 24 divisors (see below), whose sum is σ = 226746912. Its totient is φ = 21594912.

The previous prime is 80980961. The next prime is 80981003. The reversal of 80980980 is 8908908.

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, 674782 + ... + 674901.

It is an arithmetic number, because the mean of its divisors is an integer number (9447788).

Almost surely, 2^80980980 is an apocalyptic number.

It is an amenable number.

80980980 is an abundant number, since it is smaller than the sum of its proper divisors (145765932).

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

80980980 is a wasteful number, since it uses less digits than its factorization.

80980980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349695 (or 1349693 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 80980980 is about 8998.9432712958. The cubic root of 80980980 is about 432.6410022845.

The spelling of 80980980 in words is "eighty million, nine hundred eighty thousand, nine hundred eighty".