86859964 has 12 divisors (see below), whose sum is σ = 152130888. Its totient is φ = 43394000.

The previous prime is 86859917. The next prime is 86859967. The reversal of 86859964 is 46995868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86859967) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3142 + ... + 13549.

It is an arithmetic number, because the mean of its divisors is an integer number (12677574).

Almost surely, 2^86859964 is an apocalyptic number.

It is an amenable number.

86859964 is a deficient number, since it is larger than the sum of its proper divisors (65270924).

86859964 is a wasteful number, since it uses less digits than its factorization.

86859964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17996 (or 17994 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 55.

The square root of 86859964 is about 9319.8693123885. The cubic root of 86859964 is about 442.8668926648.

The spelling of 86859964 in words is "eighty-six million, eight hundred fifty-nine thousand, nine hundred sixty-four".