80857932 has 24 divisors (see below), whose sum is σ = 188924400. Its totient is φ = 26916096.

The previous prime is 80857927. The next prime is 80857957. The reversal of 80857932 is 23975808.

It is an unprimeable number.

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, 5544 + ... + 13872.

It is an arithmetic number, because the mean of its divisors is an integer number (7871850).

Almost surely, 2^80857932 is an apocalyptic number.

It is an amenable number.

80857932 is an abundant number, since it is smaller than the sum of its proper divisors (108066468).

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

80857932 is a wasteful number, since it uses less digits than its factorization.

80857932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145 (or 9143 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 80857932 is about 8992.1038695068. The cubic root of 80857932 is about 432.4217631657.

The spelling of 80857932 in words is "eighty million, eight hundred fifty-seven thousand, nine hundred thirty-two".