852409204884 has 24 divisors (see below), whose sum is σ = 2209949790720. Its totient is φ = 284136401592.

The previous prime is 852409204877. The next prime is 852409204921. The reversal of 852409204884 is 488402904258.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 852409204884.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946338804 + ... + 3946339019.

It is an arithmetic number, because the mean of its divisors is an integer number (92081241280).

Almost surely, 2^852409204884 is an apocalyptic number.

It is an amenable number.

852409204884 is an abundant number, since it is smaller than the sum of its proper divisors (1357540585836).

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

852409204884 is a wasteful number, since it uses less digits than its factorization.

852409204884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892677836 (or 7892677828 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 852409204884 in words is "eight hundred fifty-two billion, four hundred nine million, two hundred four thousand, eight hundred eighty-four".