86464825 has 12 divisors (see below), whose sum is σ = 107354860. Its totient is φ = 69082560.

The previous prime is 86464793. The next prime is 86464841. The reversal of 86464825 is 52846468.

It can be written as a sum of positive squares in 6 ways, for example, as 5248681 + 81216144 = 2291^2 + 9012^2 .

It is not a de Polignac number, because 86464825 - 2⁵ = 86464793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23191 + ... + 26659.

Almost surely, 2^86464825 is an apocalyptic number.

It is an amenable number.

86464825 is a deficient number, since it is larger than the sum of its proper divisors (20890035).

86464825 is a wasteful number, since it uses less digits than its factorization.

86464825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476 (or 4471 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 86464825 is about 9298.6464068702. The cubic root of 86464825 is about 442.1943157810.

The spelling of 86464825 in words is "eighty-six million, four hundred sixty-four thousand, eight hundred twenty-five".