86359864 has 48 divisors (see below), whose sum is σ = 181051200. Its totient is φ = 38479104.

The previous prime is 86359853. The next prime is 86359909. The reversal of 86359864 is 46895368.

It is a happy number.

It is a super-2 number, since 2×86359864² = 14916052220196992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48217 + ... + 49975.

It is an arithmetic number, because the mean of its divisors is an integer number (3771900).

Almost surely, 2^86359864 is an apocalyptic number.

It is an amenable number.

86359864 is an abundant number, since it is smaller than the sum of its proper divisors (94691336).

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

86359864 is a wasteful number, since it uses less digits than its factorization.

86359864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1797 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 86359864 is about 9293.0008070590. Note that the first 3 decimals coincide. The cubic root of 86359864 is about 442.0153144711.

The spelling of 86359864 in words is "eighty-six million, three hundred fifty-nine thousand, eight hundred sixty-four".