852507580 has 48 divisors (see below), whose sum is σ = 1892983680. Its totient is φ = 321599808.

The previous prime is 852507563. The next prime is 852507583. The reversal of 852507580 is 85705258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852507583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81319 + ... + 91201.

It is an arithmetic number, because the mean of its divisors is an integer number (39437160).

Almost surely, 2^852507580 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 852507580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946491840).

852507580 is an abundant number, since it is smaller than the sum of its proper divisors (1040476100).

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

852507580 is a wasteful number, since it uses less digits than its factorization.

852507580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138 (or 10136 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 852507580 is about 29197.7324462021. The cubic root of 852507580 is about 948.1988328215.

The spelling of 852507580 in words is "eight hundred fifty-two million, five hundred seven thousand, five hundred eighty".