680088307 has 2 divisors, whose sum is σ = 680088308. Its totient is φ = 680088306.

The previous prime is 680088259. The next prime is 680088317. The reversal of 680088307 is 703880086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680088307 - 2²⁷ = 545870579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680088307.

It is not a weakly prime, because it can be changed into another prime (680088317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340044153 + 340044154.

It is an arithmetic number, because the mean of its divisors is an integer number (340044154).

Almost surely, 2^680088307 is an apocalyptic number.

680088307 is a deficient number, since it is larger than the sum of its proper divisors (1).

680088307 is an equidigital number, since it uses as much as digits as its factorization.

680088307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 680088307 is about 26078.5027752745. The cubic root of 680088307 is about 879.4039985524.

The spelling of 680088307 in words is "six hundred eighty million, eighty-eight thousand, three hundred seven".