680928957810 has 128 divisors (see below), whose sum is σ = 1888922592000. Its totient is φ = 174339841536.

The previous prime is 680928957767. The next prime is 680928957833. The reversal of 680928957810 is 18759829086.

It is a happy number.

680928957810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×680928957810² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1158654 + ... + 1644486.

It is an arithmetic number, because the mean of its divisors is an integer number (14757207750).

Almost surely, 2^680928957810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680928957810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944461296000).

680928957810 is an abundant number, since it is smaller than the sum of its proper divisors (1207993634190).

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

680928957810 is a wasteful number, since it uses less digits than its factorization.

680928957810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486057 (or 486051 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 680928957810 in words is "six hundred eighty billion, nine hundred twenty-eight million, nine hundred fifty-seven thousand, eight hundred ten".