831656480 has 24 divisors (see below), whose sum is σ = 1964788812. Its totient is φ = 332662528.

The previous prime is 831656479. The next prime is 831656491. The reversal of 831656480 is 84656138.

It can be written as a sum of positive squares in 2 ways, for example, as 793661584 + 37994896 = 28172^2 + 6164^2 .

It is a super-3 number, since 3×831656480³ (a number of 28 digits) contains 333 as substring.

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, 2598767 + ... + 2599086.

Almost surely, 2^831656480 is an apocalyptic number.

831656480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

831656480 is an abundant number, since it is smaller than the sum of its proper divisors (1133132332).

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

831656480 is a wasteful number, since it uses less digits than its factorization.

831656480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197868 (or 5197860 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 831656480 is about 28838.4548823268. The cubic root of 831656480 is about 940.4044132800.

The spelling of 831656480 in words is "eight hundred thirty-one million, six hundred fifty-six thousand, four hundred eighty".