86504618 has 16 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 42600096.

The previous prime is 86504617. The next prime is 86504623. The reversal of 86504618 is 81640568.

It is not an unprimeable number, because it can be changed into a prime (86504611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53855 + ... + 55437.

It is an arithmetic number, because the mean of its divisors is an integer number (8232840).

Almost surely, 2^86504618 is an apocalyptic number.

86504618 is a deficient number, since it is larger than the sum of its proper divisors (45220822).

86504618 is a wasteful number, since it uses less digits than its factorization.

86504618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 86504618 is about 9300.7858807737. The cubic root of 86504618 is about 442.2621412029.

The spelling of 86504618 in words is "eighty-six million, five hundred four thousand, six hundred eighteen".