86745913025 has 12 divisors (see below), whose sum is σ = 107571904764. Its totient is φ = 69392232000.

The previous prime is 86745912947. The next prime is 86745913117. The reversal of 86745913025 is 52031954768.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 688170289 + 86057742736 = 26233^2 + 293356^2 .

It is not a de Polignac number, because 86745913025 - 2⁸ = 86745912769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312395 + ... + 520655.

It is an arithmetic number, because the mean of its divisors is an integer number (8964325397).

It is a 2-persistent number, because it is pandigital, and so is 2⋅86745913025 = 173491826050, but 3⋅86745913025 = 260237739075 is not.

Almost surely, 2^86745913025 is an apocalyptic number.

It is an amenable number.

86745913025 is a deficient number, since it is larger than the sum of its proper divisors (20825991739).

86745913025 is a wasteful number, since it uses less digits than its factorization.

86745913025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224932 (or 224927 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 86745913025 in words is "eighty-six billion, seven hundred forty-five million, nine hundred thirteen thousand, twenty-five".