86164704 has 72 divisors (see below), whose sum is σ = 259459200. Its totient is φ = 27030528.

The previous prime is 86164703. The next prime is 86164709. The reversal of 86164704 is 40746168.

86164704 is a `hidden beast` number, since 8 + 6 + 1 + 647 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86164703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3904 + ... + 13695.

It is an arithmetic number, because the mean of its divisors is an integer number (3603600).

Almost surely, 2^86164704 is an apocalyptic number.

It is an amenable number.

86164704 is an abundant number, since it is smaller than the sum of its proper divisors (173294496).

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

86164704 is a wasteful number, since it uses less digits than its factorization.

86164704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17632 (or 17621 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 86164704 is about 9282.4944923226. The cubic root of 86164704 is about 441.6821011496.

It can be divided in two parts, 86164 and 704, that added together give a palindrome (86868).

The spelling of 86164704 in words is "eighty-six million, one hundred sixty-four thousand, seven hundred four".