852561152 has 72 divisors (see below), whose sum is σ = 1811932416. Its totient is φ = 398974976.

The previous prime is 852561139. The next prime is 852561167. The reversal of 852561152 is 251165258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987473 + ... + 988335.

It is an arithmetic number, because the mean of its divisors is an integer number (25165728).

Almost surely, 2^852561152 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 852561152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905966208).

852561152 is an abundant number, since it is smaller than the sum of its proper divisors (959371264).

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

852561152 is a wasteful number, since it uses less digits than its factorization.

852561152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1109 counting only the distinct ones).

The product of its digits is 24000, while the sum is 35.

The square root of 852561152 is about 29198.6498317987. The cubic root of 852561152 is about 948.2186941674.

The spelling of 852561152 in words is "eight hundred fifty-two million, five hundred sixty-one thousand, one hundred fifty-two".