86913564 has 24 divisors (see below), whose sum is σ = 203389200. Its totient is φ = 28886784.

The previous prime is 86913557. The next prime is 86913569. The reversal of 86913564 is 46531968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86913569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6189 + ... + 14564.

It is an arithmetic number, because the mean of its divisors is an integer number (8474550).

Almost surely, 2^86913564 is an apocalyptic number.

It is an amenable number.

86913564 is an abundant number, since it is smaller than the sum of its proper divisors (116475636).

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

86913564 is a wasteful number, since it uses less digits than its factorization.

86913564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21109 (or 21107 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 86913564 is about 9322.7444457091. The cubic root of 86913564 is about 442.9579694713.

The spelling of 86913564 in words is "eighty-six million, nine hundred thirteen thousand, five hundred sixty-four".