680808359 has 16 divisors (see below), whose sum is σ = 849373440. Its totient is φ = 530141760.

The previous prime is 680808353. The next prime is 680808383. The reversal of 680808359 is 953808086.

680808359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 680808359 - 2²⁴ = 664031143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680808353) 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, 207272 + ... + 210530.

It is an arithmetic number, because the mean of its divisors is an integer number (53085840).

Almost surely, 2^680808359 is an apocalyptic number.

680808359 is a deficient number, since it is larger than the sum of its proper divisors (168565081).

680808359 is a wasteful number, since it uses less digits than its factorization.

680808359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 680808359 is about 26092.3045935004. The cubic root of 680808359 is about 879.7142490779.

The spelling of 680808359 in words is "six hundred eighty million, eight hundred eight thousand, three hundred fifty-nine".