680718903 has 16 divisors (see below), whose sum is σ = 918973440. Its totient is φ = 448151616.

The previous prime is 680718881. The next prime is 680718917. The reversal of 680718903 is 309817086.

680718903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680718903 - 2⁶ = 680718839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680718953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417576 + ... + 419202.

It is an arithmetic number, because the mean of its divisors is an integer number (57435840).

Almost surely, 2^680718903 is an apocalyptic number.

680718903 is a deficient number, since it is larger than the sum of its proper divisors (238254537).

680718903 is a wasteful number, since it uses less digits than its factorization.

680718903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 680718903 is about 26090.5903152842. The cubic root of 680718903 is about 879.6757168616.

The spelling of 680718903 in words is "six hundred eighty million, seven hundred eighteen thousand, nine hundred three".