86528928964 has 27 divisors (see below), whose sum is σ = 159835504941. Its totient is φ = 40982092560.

The previous prime is 86528928947. The next prime is 86528928971. The reversal of 86528928964 is 46982982568.

The square root of 86528928964 is 294158.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 17780088964 + 68748840000 = 133342^2 + 262200^2 .

It is a super-2 number, since 2×86528928964² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86528928964.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11174134 + ... + 11181874.

Almost surely, 2^86528928964 is an apocalyptic number.

86528928964 is the 294158-th square number.

It is an amenable number.

86528928964 is a deficient number, since it is larger than the sum of its proper divisors (73306575977).

86528928964 is an frugal number, since it uses more digits than its factorization.

86528928964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15524 (or 7762 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 67.

The spelling of 86528928964 in words is "eighty-six billion, five hundred twenty-eight million, nine hundred twenty-eight thousand, nine hundred sixty-four".