86840808 has 32 divisors (see below), whose sum is σ = 217512960. Its totient is φ = 28892160.

The previous prime is 86840797. The next prime is 86840833. The reversal of 86840808 is 80804868.

It is a self number, because there is not a number n which added to its sum of digits gives 86840808.

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, 10713 + ... + 16983.

It is an arithmetic number, because the mean of its divisors is an integer number (6797280).

Almost surely, 2^86840808 is an apocalyptic number.

It is an amenable number.

86840808 is an abundant number, since it is smaller than the sum of its proper divisors (130672152).

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

86840808 is a wasteful number, since it uses less digits than its factorization.

86840808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6857 (or 6853 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 86840808 is about 9318.8415589063. The cubic root of 86840808 is about 442.8343338136.

The spelling of 86840808 in words is "eighty-six million, eight hundred forty thousand, eight hundred eight".