86207618 has 16 divisors (see below), whose sum is σ = 149567040. Its totient is φ = 36500496.

The previous prime is 86207609. The next prime is 86207623. The reversal of 86207618 is 81670268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35933 + ... + 38256.

It is an arithmetic number, because the mean of its divisors is an integer number (9347940).

Almost surely, 2^86207618 is an apocalyptic number.

86207618 is a deficient number, since it is larger than the sum of its proper divisors (63359422).

86207618 is a wasteful number, since it uses less digits than its factorization.

86207618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74281.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 86207618 is about 9284.8057599500. The cubic root of 86207618 is about 441.7554150046.

The spelling of 86207618 in words is "eighty-six million, two hundred seven thousand, six hundred eighteen".