853924871636 has 12 divisors (see below), whose sum is σ = 1559341070112. Its totient is φ = 408398851608.

The previous prime is 853924871633. The next prime is 853924871869. The reversal of 853924871636 is 636178429358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853924871633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4640895950 + ... + 4640896133.

It is an arithmetic number, because the mean of its divisors is an integer number (129945089176).

Almost surely, 2^853924871636 is an apocalyptic number.

It is an amenable number.

853924871636 is a deficient number, since it is larger than the sum of its proper divisors (705416198476).

853924871636 is a wasteful number, since it uses less digits than its factorization.

853924871636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281792110 (or 9281792108 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The spelling of 853924871636 in words is "eight hundred fifty-three billion, nine hundred twenty-four million, eight hundred seventy-one thousand, six hundred thirty-six".