852007720880 has 80 divisors (see below), whose sum is σ = 1993394539584. Its totient is φ = 338657848320.

The previous prime is 852007720867. The next prime is 852007720901. The reversal of 852007720880 is 88027700258.

It is a tau number, because it is divible by the number of its divisors (80).

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, 54674690 + ... + 54690270.

Almost surely, 2^852007720880 is an apocalyptic number.

852007720880 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 852007720880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996697269792).

852007720880 is an abundant number, since it is smaller than the sum of its proper divisors (1141386818704).

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

852007720880 is a wasteful number, since it uses less digits than its factorization.

852007720880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19854 (or 19848 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 852007720880 in words is "eight hundred fifty-two billion, seven million, seven hundred twenty thousand, eight hundred eighty".