831839404052 has 12 divisors (see below), whose sum is σ = 1455743907156. Its totient is φ = 415912573440.

The previous prime is 831839404051. The next prime is 831839404093. The reversal of 831839404052 is 250404938138.

It can be written as a sum of positive squares in 2 ways, for example, as 330411134596 + 501428269456 = 574814^2 + 708116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 831839403988 and 831839404006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831839404051) 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, 1515149 + ... + 1989812.

It is an arithmetic number, because the mean of its divisors is an integer number (121311992263).

Almost surely, 2^831839404052 is an apocalyptic number.

It is an amenable number.

831839404052 is a deficient number, since it is larger than the sum of its proper divisors (623904503104).

831839404052 is a wasteful number, since it uses less digits than its factorization.

831839404052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564298 (or 3564296 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 831839404052 in words is "eight hundred thirty-one billion, eight hundred thirty-nine million, four hundred four thousand, fifty-two".