852819912 has 144 divisors (see below), whose sum is σ = 2705124240. Its totient is φ = 242004672.

The previous prime is 852819911. The next prime is 852819923. The reversal of 852819912 is 219918258.

It is not an unprimeable number, because it can be changed into a prime (852819911) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 574323 + ... + 575805.

It is an arithmetic number, because the mean of its divisors is an integer number (18785585).

Almost surely, 2^852819912 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 852819912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352562120).

852819912 is an abundant number, since it is smaller than the sum of its proper divisors (1852304328).

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

852819912 is a wasteful number, since it uses less digits than its factorization.

852819912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1658 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 852819912 is about 29203.0805224380. The cubic root of 852819912 is about 948.3146154394.

The spelling of 852819912 in words is "eight hundred fifty-two million, eight hundred nineteen thousand, nine hundred twelve".