80660980 has 24 divisors (see below), whose sum is σ = 170341920. Its totient is φ = 32082720.

The previous prime is 80660969. The next prime is 80661017. The reversal of 80660980 is 8906608.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 7686 + ... + 14845.

It is an arithmetic number, because the mean of its divisors is an integer number (7097580).

Almost surely, 2^80660980 is an apocalyptic number.

It is an amenable number.

80660980 is an abundant number, since it is smaller than the sum of its proper divisors (89680940).

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

80660980 is a wasteful number, since it uses less digits than its factorization.

80660980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22719 (or 22717 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 80660980 is about 8981.1458066329. The cubic root of 80660980 is about 432.0703831939.

The spelling of 80660980 in words is "eighty million, six hundred sixty thousand, nine hundred eighty".