680771313 has 24 divisors (see below), whose sum is σ = 1007726720. Its totient is φ = 442622880.

The previous prime is 680771303. The next prime is 680771321. The reversal of 680771313 is 313177086.

It is not a de Polignac number, because 680771313 - 2⁴ = 680771297 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (680771303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475683 + ... + 477111.

Almost surely, 2^680771313 is an apocalyptic number.

It is an amenable number.

680771313 is a deficient number, since it is larger than the sum of its proper divisors (326955407).

680771313 is a wasteful number, since it uses less digits than its factorization.

680771313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 680771313 is about 26091.5946810462. The cubic root of 680771313 is about 879.6982923187.

The spelling of 680771313 in words is "six hundred eighty million, seven hundred seventy-one thousand, three hundred thirteen".