853919123568 has 80 divisors (see below), whose sum is σ = 2630707385856. Its totient is φ = 233369199360.

The previous prime is 853919123531. The next prime is 853919123569. The reversal of 853919123568 is 865321919358.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853919123569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55240663 + ... + 55256118.

Almost surely, 2^853919123568 is an apocalyptic number.

It is an amenable number.

853919123568 is an abundant number, since it is smaller than the sum of its proper divisors (1776788262288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853919123568 is a wasteful number, since it uses less digits than its factorization.

853919123568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110496822 (or 110496816 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 60.

The spelling of 853919123568 in words is "eight hundred fifty-three billion, nine hundred nineteen million, one hundred twenty-three thousand, five hundred sixty-eight".