680088317 has 2 divisors, whose sum is σ = 680088318. Its totient is φ = 680088316.

The previous prime is 680088307. The next prime is 680088319. The reversal of 680088317 is 713880086.

680088317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 568870201 + 111218116 = 23851^2 + 10546^2 .

It is a cyclic number.

It is not a de Polignac number, because 680088317 - 2⁸ = 680088061 is a prime.

Together with 680088319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680088319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340044158 + 340044159.

It is an arithmetic number, because the mean of its divisors is an integer number (340044159).

Almost surely, 2^680088317 is an apocalyptic number.

It is an amenable number.

680088317 is a deficient number, since it is larger than the sum of its proper divisors (1).

680088317 is an equidigital number, since it uses as much as digits as its factorization.

680088317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 680088317 is about 26078.5029670033. The cubic root of 680088317 is about 879.4040028626.

The spelling of 680088317 in words is "six hundred eighty million, eighty-eight thousand, three hundred seventeen".