86208985 has 32 divisors (see below), whose sum is σ = 114232320. Its totient is φ = 62208000.

The previous prime is 86208979. The next prime is 86209003. The reversal of 86208985 is 58980268.

It is a happy number.

It is not a de Polignac number, because 86208985 - 2¹⁵ = 86176217 is a prime.

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, 214785 + ... + 215185.

It is an arithmetic number, because the mean of its divisors is an integer number (3569760).

Almost surely, 2^86208985 is an apocalyptic number.

It is an amenable number.

86208985 is a deficient number, since it is larger than the sum of its proper divisors (28023335).

86208985 is a wasteful number, since it uses less digits than its factorization.

86208985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 86208985 is about 9284.8793745530. The cubic root of 86208985 is about 441.7577499741.

The spelling of 86208985 in words is "eighty-six million, two hundred eight thousand, nine hundred eighty-five".