86512385 has 8 divisors (see below), whose sum is σ = 104044776. Its totient is φ = 69056640.

The previous prime is 86512379. The next prime is 86512397. The reversal of 86512385 is 58321568.

It can be written as a sum of positive squares in 4 ways, for example, as 48121969 + 38390416 = 6937^2 + 6196^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86512385 - 2¹⁰ = 86511361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16646 + ... + 21215.

It is an arithmetic number, because the mean of its divisors is an integer number (13005597).

Almost surely, 2^86512385 is an apocalyptic number.

It is an amenable number.

86512385 is a deficient number, since it is larger than the sum of its proper divisors (17532391).

86512385 is a wasteful number, since it uses less digits than its factorization.

86512385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38323.

The product of its digits is 57600, while the sum is 38.

The square root of 86512385 is about 9301.2034167628. The cubic root of 86512385 is about 442.2753772872.

The spelling of 86512385 in words is "eighty-six million, five hundred twelve thousand, three hundred eighty-five".