86985015 has 32 divisors (see below), whose sum is σ = 153086976. Its totient is φ = 41907840.

The previous prime is 86984993. The next prime is 86985023. The reversal of 86985015 is 51058968.

It is not a de Polignac number, because 86985015 - 2¹⁴ = 86968631 is a prime.

It is a congruent 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, 4420 + ... + 13910.

It is an arithmetic number, because the mean of its divisors is an integer number (4783968).

Almost surely, 2^86985015 is an apocalyptic number.

86985015 is a deficient number, since it is larger than the sum of its proper divisors (66101961).

86985015 is a wasteful number, since it uses less digits than its factorization.

86985015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 86985015 is about 9326.5757381796. The cubic root of 86985015 is about 443.0793203835.

The spelling of 86985015 in words is "eighty-six million, nine hundred eighty-five thousand, fifteen".