86816180 has 24 divisors (see below), whose sum is σ = 198888480. Its totient is φ = 31569440.

The previous prime is 86816179. The next prime is 86816209. The reversal of 86816180 is 8161868.

It is a congruent number.

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, 197090 + ... + 197529.

It is an arithmetic number, because the mean of its divisors is an integer number (8287020).

Almost surely, 2^86816180 is an apocalyptic number.

It is an amenable number.

86816180 is an abundant number, since it is smaller than the sum of its proper divisors (112072300).

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

86816180 is a wasteful number, since it uses less digits than its factorization.

86816180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394639 (or 394637 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 86816180 is about 9317.5200563240. The cubic root of 86816180 is about 442.7924673402.

The spelling of 86816180 in words is "eighty-six million, eight hundred sixteen thousand, one hundred eighty".