80086820 has 24 divisors (see below), whose sum is σ = 183472128. Its totient is φ = 29122400.

The previous prime is 80086819. The next prime is 80086841. The reversal of 80086820 is 2868008.

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, 181796 + ... + 182235.

It is an arithmetic number, because the mean of its divisors is an integer number (7644672).

Almost surely, 2^80086820 is an apocalyptic number.

It is an amenable number.

80086820 is an abundant number, since it is smaller than the sum of its proper divisors (103385308).

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

80086820 is a wasteful number, since it uses less digits than its factorization.

80086820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364051 (or 364049 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 80086820 is about 8949.1239794742. The cubic root of 80086820 is about 431.0427550030.

The spelling of 80086820 in words is "eighty million, eighty-six thousand, eight hundred twenty".