853728812 has 12 divisors (see below), whose sum is σ = 1558983216. Its totient is φ = 408305040.

The previous prime is 853728803. The next prime is 853728817. The reversal of 853728812 is 218827358.

It is not an unprimeable number, because it can be changed into a prime (853728817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4639739 + ... + 4639922.

It is an arithmetic number, because the mean of its divisors is an integer number (129915268).

Almost surely, 2^853728812 is an apocalyptic number.

It is an amenable number.

853728812 is a deficient number, since it is larger than the sum of its proper divisors (705254404).

853728812 is a wasteful number, since it uses less digits than its factorization.

853728812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279688 (or 9279686 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 853728812 is about 29218.6380928338. The cubic root of 853728812 is about 948.6513872566.

The spelling of 853728812 in words is "eight hundred fifty-three million, seven hundred twenty-eight thousand, eight hundred twelve".