831337668 has 120 divisors (see below), whose sum is σ = 2591901312. Its totient is φ = 227183616.

The previous prime is 831337643. The next prime is 831337681. The reversal of 831337668 is 866733138.

It is a super-2 number, since 2×831337668² = 1382244636471356448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44196 + ... + 60132.

Almost surely, 2^831337668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 831337668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295950656).

831337668 is an abundant number, since it is smaller than the sum of its proper divisors (1760563644).

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

831337668 is a wasteful number, since it uses less digits than its factorization.

831337668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15983 (or 15972 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 831337668 is about 28832.9268025291. The cubic root of 831337668 is about 940.2842312346.

The spelling of 831337668 in words is "eight hundred thirty-one million, three hundred thirty-seven thousand, six hundred sixty-eight".