80931804 has 24 divisors (see below), whose sum is σ = 190608768. Its totient is φ = 26724720.

The previous prime is 80931803. The next prime is 80931863. The reversal of 80931804 is 40813908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80931803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30232 + ... + 32799.

It is an arithmetic number, because the mean of its divisors is an integer number (7942032).

Almost surely, 2^80931804 is an apocalyptic number.

It is an amenable number.

80931804 is an abundant number, since it is smaller than the sum of its proper divisors (109676964).

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

80931804 is a wasteful number, since it uses less digits than its factorization.

80931804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63145 (or 63143 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 80931804 is about 8996.2105355533. The cubic root of 80931804 is about 432.5534102683.

The spelling of 80931804 in words is "eighty million, nine hundred thirty-one thousand, eight hundred four".