853421080 has 64 divisors (see below), whose sum is σ = 2048004000. Its totient is φ = 318941184.

The previous prime is 853421069. The next prime is 853421111. The reversal of 853421080 is 80124358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90006 + ... + 99034.

Almost surely, 2^853421080 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 853421080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024002000).

853421080 is an abundant number, since it is smaller than the sum of its proper divisors (1194582920).

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

853421080 is a wasteful number, since it uses less digits than its factorization.

853421080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196 (or 9192 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 853421080 is about 29213.3715958977. The cubic root of 853421080 is about 948.5373910759.

The spelling of 853421080 in words is "eight hundred fifty-three million, four hundred twenty-one thousand, eighty".