86185426625 has 32 divisors (see below), whose sum is σ = 109885789728. Its totient is φ = 67464134400.

The previous prime is 86185426601. The next prime is 86185426631. The reversal of 86185426625 is 52662458168.

It can be written as a sum of positive squares in 16 ways, for example, as 37319671489 + 48865755136 = 193183^2 + 221056^2 .

It is not a de Polignac number, because 86185426625 - 2²⁴ = 86168649409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2453687 + ... + 2488563.

It is an arithmetic number, because the mean of its divisors is an integer number (3433930929).

Almost surely, 2^86185426625 is an apocalyptic number.

It is an amenable number.

86185426625 is a deficient number, since it is larger than the sum of its proper divisors (23700363103).

86185426625 is a wasteful number, since it uses less digits than its factorization.

86185426625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35318 (or 35308 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 53.

The spelling of 86185426625 in words is "eighty-six billion, one hundred eighty-five million, four hundred twenty-six thousand, six hundred twenty-five".