680788611 has 8 divisors (see below), whose sum is σ = 1008575760. Its totient is φ = 453859056.

The previous prime is 680788607. The next prime is 680788621. The reversal of 680788611 is 116887086.

It is not a de Polignac number, because 680788611 - 2² = 680788607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680788621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12607170 + ... + 12607223.

It is an arithmetic number, because the mean of its divisors is an integer number (126071970).

Almost surely, 2^680788611 is an apocalyptic number.

680788611 is a deficient number, since it is larger than the sum of its proper divisors (327787149).

680788611 is a wasteful number, since it uses less digits than its factorization.

680788611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25214402 (or 25214396 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 680788611 is about 26091.9261650036. The cubic root of 680788611 is about 879.7057431282.

The spelling of 680788611 in words is "six hundred eighty million, seven hundred eighty-eight thousand, six hundred eleven".