831873868 has 24 divisors (see below), whose sum is σ = 1699149312. Its totient is φ = 348931344.

The previous prime is 831873859. The next prime is 831873883. The reversal of 831873868 is 868378138.

It is a super-2 number, since 2×831873868² = 1384028264522562848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314746 + ... + 317377.

It is an arithmetic number, because the mean of its divisors is an integer number (70797888).

Almost surely, 2^831873868 is an apocalyptic number.

It is an amenable number.

831873868 is an abundant number, since it is smaller than the sum of its proper divisors (867275444).

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

831873868 is a wasteful number, since it uses less digits than its factorization.

831873868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632181 (or 632179 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 831873868 is about 28842.2237006788. The cubic root of 831873868 is about 940.4863440730.

The spelling of 831873868 in words is "eight hundred thirty-one million, eight hundred seventy-three thousand, eight hundred sixty-eight".