814831368872 has 16 divisors (see below), whose sum is σ = 1529439363060. Its totient is φ = 406980872064.

The previous prime is 814831368859. The next prime is 814831368913. The reversal of 814831368872 is 278863138418.

It can be written as a sum of positive squares in 2 ways, for example, as 529305721156 + 285525647716 = 727534^2 + 534346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54343583 + ... + 54358574.

Almost surely, 2^814831368872 is an apocalyptic number.

It is an amenable number.

814831368872 is a deficient number, since it is larger than the sum of its proper divisors (714607994188).

814831368872 is a wasteful number, since it uses less digits than its factorization.

814831368872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108703100 (or 108703096 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 59.

The spelling of 814831368872 in words is "eight hundred fourteen billion, eight hundred thirty-one million, three hundred sixty-eight thousand, eight hundred seventy-two".