853171228080 has 240 divisors, whose sum is σ = 3044146322880. Its totient is φ = 213729933312.

The previous prime is 853171228061. The next prime is 853171228097. The reversal of 853171228080 is 80822171358.

853171228080 is a `hidden beast` number, since 8 + 531 + 7 + 12 + 28 + 0 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×853171228080² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 220389 + ... + 1324731.

It is an arithmetic number, because the mean of its divisors is an integer number (12683943012).

Almost surely, 2^853171228080 is an apocalyptic number.

853171228080 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 853171228080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522073161440).

853171228080 is an abundant number, since it is smaller than the sum of its proper divisors (2190975094800).

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

853171228080 is a wasteful number, since it uses less digits than its factorization.

853171228080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104428 (or 1104419 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 853171228080 in words is "eight hundred fifty-three billion, one hundred seventy-one million, two hundred twenty-eight thousand, eighty".