80931432 has 32 divisors (see below), whose sum is σ = 207799200. Its totient is φ = 26247744.

The previous prime is 80931419. The next prime is 80931437. The reversal of 80931432 is 23413908.

It is a self number, because there is not a number n which added to its sum of digits gives 80931432.

It is not an unprimeable number, because it can be changed into a prime (80931437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44682 + ... + 46457.

It is an arithmetic number, because the mean of its divisors is an integer number (6493725).

Almost surely, 2^80931432 is an apocalyptic number.

It is an amenable number.

80931432 is an abundant number, since it is smaller than the sum of its proper divisors (126867768).

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

80931432 is a wasteful number, since it uses less digits than its factorization.

80931432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91185 (or 91181 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 80931432 is about 8996.1898601575. The cubic root of 80931432 is about 432.5527475288.

The spelling of 80931432 in words is "eighty million, nine hundred thirty-one thousand, four hundred thirty-two".