680998113 has 24 divisors (see below), whose sum is σ = 1009532160. Its totient is φ = 442185120.

The previous prime is 680998067. The next prime is 680998147. The reversal of 680998113 is 311899086.

It is not a de Polignac number, because 680998113 - 2⁸ = 680997857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680998163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61168 + ... + 71438.

It is an arithmetic number, because the mean of its divisors is an integer number (42063840).

Almost surely, 2^680998113 is an apocalyptic number.

It is an amenable number.

680998113 is a deficient number, since it is larger than the sum of its proper divisors (328534047).

680998113 is a wasteful number, since it uses less digits than its factorization.

680998113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469 (or 10466 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 680998113 is about 26095.9405463762. The cubic root of 680998113 is about 879.7959724141.

The spelling of 680998113 in words is "six hundred eighty million, nine hundred ninety-eight thousand, one hundred thirteen".