680916772704 has 192 divisors, whose sum is σ = 2114233712640. Its totient is φ = 187772981760.

The previous prime is 680916772699. The next prime is 680916772717. The reversal of 680916772704 is 407277619086.

680916772704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7852207 + ... + 7938449.

It is an arithmetic number, because the mean of its divisors is an integer number (11011633920).

Almost surely, 2^680916772704 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 680916772704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1057116856320).

680916772704 is an abundant number, since it is smaller than the sum of its proper divisors (1433316939936).

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

680916772704 is a wasteful number, since it uses less digits than its factorization.

680916772704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86673 (or 86665 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 680916772704 in words is "six hundred eighty billion, nine hundred sixteen million, seven hundred seventy-two thousand, seven hundred four".