80685384 has 32 divisors (see below), whose sum is σ = 217230720. Its totient is φ = 24826176.

The previous prime is 80685377. The next prime is 80685401. The reversal of 80685384 is 48358608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128992 + ... + 129615.

It is an arithmetic number, because the mean of its divisors is an integer number (6788460).

Almost surely, 2^80685384 is an apocalyptic number.

It is an amenable number.

80685384 is an abundant number, since it is smaller than the sum of its proper divisors (136545336).

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

80685384 is a wasteful number, since it uses less digits than its factorization.

80685384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258629 (or 258625 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 80685384 is about 8982.5043278587. The cubic root of 80685384 is about 432.1139531349.

The spelling of 80685384 in words is "eighty million, six hundred eighty-five thousand, three hundred eighty-four".