86938564 has 12 divisors (see below), whose sum is σ = 152208784. Its totient is φ = 43450344.

The previous prime is 86938529. The next prime is 86938571. The reversal of 86938564 is 46583968.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 12847 + ... + 18409.

Almost surely, 2^86938564 is an apocalyptic number.

It is an amenable number.

86938564 is a deficient number, since it is larger than the sum of its proper divisors (65270220).

86938564 is a wasteful number, since it uses less digits than its factorization.

86938564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474 (or 9472 counting only the distinct ones).

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

The square root of 86938564 is about 9324.0851561963. The cubic root of 86938564 is about 443.0004365198. Note that the first 3 decimals are identical.

The spelling of 86938564 in words is "eighty-six million, nine hundred thirty-eight thousand, five hundred sixty-four".