80873604 has 36 divisors (see below), whose sum is σ = 233635584. Its totient is φ = 23106672.

The previous prime is 80873603. The next prime is 80873609. The reversal of 80873604 is 40637808.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80873603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160212 + ... + 160715.

Almost surely, 2^80873604 is an apocalyptic number.

80873604 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

80873604 is an abundant number, since it is smaller than the sum of its proper divisors (152761980).

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

80873604 is a wasteful number, since it uses less digits than its factorization.

80873604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320944 (or 320939 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 80873604 is about 8992.9752585004. The cubic root of 80873604 is about 432.4496988957.

The spelling of 80873604 in words is "eighty million, eight hundred seventy-three thousand, six hundred four".