852686618 has 16 divisors (see below), whose sum is σ = 1462965504. Its totient is φ = 365132880.

The previous prime is 852686599. The next prime is 852686657. The reversal of 852686618 is 816686258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7505 + ... + 41972.

It is an arithmetic number, because the mean of its divisors is an integer number (91435344).

Almost surely, 2^852686618 is an apocalyptic number.

852686618 is a deficient number, since it is larger than the sum of its proper divisors (610278886).

852686618 is a wasteful number, since it uses less digits than its factorization.

852686618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50717.

The product of its digits is 1105920, while the sum is 50.

The square root of 852686618 is about 29200.7982425139. The cubic root of 852686618 is about 948.2652063232.

The spelling of 852686618 in words is "eight hundred fifty-two million, six hundred eighty-six thousand, six hundred eighteen".