682685728680 has 512 divisors, whose sum is σ = 2316625920000. Its totient is φ = 160095191040.

The previous prime is 682685728667. The next prime is 682685728709. The reversal of 682685728680 is 86827586286.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 325242271 + ... + 325244369.

It is an arithmetic number, because the mean of its divisors is an integer number (4524660000).

Almost surely, 2^682685728680 is an apocalyptic number.

682685728680 is a gapful number since it is divisible by the number (60) 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 682685728680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158312960000).

682685728680 is an abundant number, since it is smaller than the sum of its proper divisors (1633940191320).

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

682685728680 is a wasteful number, since it uses less digits than its factorization.

682685728680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 66.

The spelling of 682685728680 in words is "six hundred eighty-two billion, six hundred eighty-five million, seven hundred twenty-eight thousand, six hundred eighty".