853358863680 has 448 divisors, whose sum is σ = 3121366579200. Its totient is φ = 219244216320.

The previous prime is 853358863607. The next prime is 853358863691. The reversal of 853358863680 is 86368853358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61328404 + ... + 61342316.

Almost surely, 2^853358863680 is an apocalyptic number.

853358863680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853358863680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560683289600).

853358863680 is an abundant number, since it is smaller than the sum of its proper divisors (2268007715520).

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

853358863680 is a wasteful number, since it uses less digits than its factorization.

853358863680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14199 (or 14183 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 853358863680 in words is "eight hundred fifty-three billion, three hundred fifty-eight million, eight hundred sixty-three thousand, six hundred eighty".