86622664 has 8 divisors (see below), whose sum is σ = 162417510. Its totient is φ = 43311328.

The previous prime is 86622659. The next prime is 86622671. The reversal of 86622664 is 46622668.

It can be written as a sum of positive squares in only one way, i.e., 66748900 + 19873764 = 8170^2 + 4458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5413909 + ... + 5413924.

Almost surely, 2^86622664 is an apocalyptic number.

It is an amenable number.

86622664 is a deficient number, since it is larger than the sum of its proper divisors (75794846).

86622664 is a wasteful number, since it uses less digits than its factorization.

86622664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827839 (or 10827835 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 86622664 is about 9307.1297401508. The cubic root of 86622664 is about 442.4632231344.

The spelling of 86622664 in words is "eighty-six million, six hundred twenty-two thousand, six hundred sixty-four".