86539518976 has 99 divisors (see below), whose sum is σ = 179732530159. Its totient is φ = 41645907968.

The previous prime is 86539518973. The next prime is 86539518983. The reversal of 86539518976 is 67981593568.

The square root of 86539518976 is 294176.

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

It can be written as a sum of positive squares in 4 ways, for example, as 21526758400 + 65012760576 = 146720^2 + 254976^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86539518973) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 272995170 + ... + 272995486.

Almost surely, 2^86539518976 is an apocalyptic number.

86539518976 is the 294176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86539518976

86539518976 is an abundant number, since it is smaller than the sum of its proper divisors (93193011183).

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

86539518976 is an frugal number, since it uses more digits than its factorization.

86539518976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 348 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 67.

The spelling of 86539518976 in words is "eighty-six billion, five hundred thirty-nine million, five hundred eighteen thousand, nine hundred seventy-six".