86368890 has 32 divisors (see below), whose sum is σ = 208926720. Its totient is φ = 22849344.

The previous prime is 86368859. The next prime is 86368903. The reversal of 86368890 is 9886368.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7525 + ... + 15144.

It is an arithmetic number, because the mean of its divisors is an integer number (6528960).

Almost surely, 2^86368890 is an apocalyptic number.

86368890 is an abundant number, since it is smaller than the sum of its proper divisors (122557830).

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

86368890 is a wasteful number, since it uses less digits than its factorization.

86368890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22806.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 86368890 is about 9293.4864286768. The cubic root of 86368890 is about 442.0307131801.

The spelling of 86368890 in words is "eighty-six million, three hundred sixty-eight thousand, eight hundred ninety".