80623580 has 12 divisors (see below), whose sum is σ = 169309560. Its totient is φ = 32249424.

The previous prime is 80623531. The next prime is 80623597. The reversal of 80623580 is 8532608.

It is a hoax number, since the sum of its digits (32) 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 3 ways as a sum of consecutive naturals, for example, 2015570 + ... + 2015609.

It is an arithmetic number, because the mean of its divisors is an integer number (14109130).

Almost surely, 2^80623580 is an apocalyptic number.

It is an amenable number.

80623580 is an abundant number, since it is smaller than the sum of its proper divisors (88685980).

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

80623580 is a wasteful number, since it uses less digits than its factorization.

80623580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031188 (or 4031186 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 80623580 is about 8979.0634255472. The cubic root of 80623580 is about 432.0035936487.

The spelling of 80623580 in words is "eighty million, six hundred twenty-three thousand, five hundred eighty".