853603574768 has 160 divisors (see below), whose sum is σ = 1926476697600. Its totient is φ = 358877933568.

The previous prime is 853603574729. The next prime is 853603574771. The reversal of 853603574768 is 867475306358.

It is a self number, because there is not a number n which added to its sum of digits gives 853603574768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 842648630 + ... + 842649642.

It is an arithmetic number, because the mean of its divisors is an integer number (12040479360).

Almost surely, 2^853603574768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853603574768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (963238348800).

853603574768 is an abundant number, since it is smaller than the sum of its proper divisors (1072873122832).

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

853603574768 is a wasteful number, since it uses less digits than its factorization.

853603574768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 62.

The spelling of 853603574768 in words is "eight hundred fifty-three billion, six hundred three million, five hundred seventy-four thousand, seven hundred sixty-eight".