831680680000 has 140 divisors (see below), whose sum is σ = 2066122341712. Its totient is φ = 332055360000.

The previous prime is 831680679983. The next prime is 831680680001. The reversal of 831680680000 is 86086138.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (831680680001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21860995 + ... + 21899005.

Almost surely, 2^831680680000 is an apocalyptic number.

831680680000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 831680680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033061170856).

831680680000 is an abundant number, since it is smaller than the sum of its proper divisors (1234441661712).

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

831680680000 is an equidigital number, since it uses as much as digits as its factorization.

831680680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38590 (or 38565 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 831680680000 in words is "eight hundred thirty-one billion, six hundred eighty million, six hundred eighty thousand".