680703898256 has 20 divisors (see below), whose sum is σ = 1319659788972. Its totient is φ = 340146533376.

The previous prime is 680703898229. The next prime is 680703898267. The reversal of 680703898256 is 652898307086.

680703898256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 411799424656 + 268904473600 = 641716^2 + 518560^2 .

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, 12811145 + ... + 12864168.

Almost surely, 2^680703898256 is an apocalyptic number.

It is an amenable number.

680703898256 is a deficient number, since it is larger than the sum of its proper divisors (638955890716).

680703898256 is a wasteful number, since it uses less digits than its factorization.

680703898256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25676978 (or 25676972 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 680703898256 in words is "six hundred eighty billion, seven hundred three million, eight hundred ninety-eight thousand, two hundred fifty-six".