852522894 has 80 divisors (see below), whose sum is σ = 2023710480. Its totient is φ = 267494400.

The previous prime is 852522893. The next prime is 852522929. The reversal of 852522894 is 498225258.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852522893) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 531694 + ... + 533294.

It is an arithmetic number, because the mean of its divisors is an integer number (25296381).

Almost surely, 2^852522894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 852522894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1011855240).

852522894 is an abundant number, since it is smaller than the sum of its proper divisors (1171187586).

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

852522894 is a wasteful number, since it uses less digits than its factorization.

852522894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1798 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 852522894 is about 29197.9946914167. The cubic root of 852522894 is about 948.2045104367.

The spelling of 852522894 in words is "eight hundred fifty-two million, five hundred twenty-two thousand, eight hundred ninety-four".