680311793 has 16 divisors (see below), whose sum is σ = 796262400. Its totient is φ = 569121936.

The previous prime is 680311789. The next prime is 680311823. The reversal of 680311793 is 397113086.

It is a cyclic number.

It is not a de Polignac number, because 680311793 - 2² = 680311789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680311703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123308 + ... + 128706.

It is an arithmetic number, because the mean of its divisors is an integer number (49766400).

Almost surely, 2^680311793 is an apocalyptic number.

It is an amenable number.

680311793 is a deficient number, since it is larger than the sum of its proper divisors (115950607).

680311793 is a wasteful number, since it uses less digits than its factorization.

680311793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 680311793 is about 26082.7872935390. The cubic root of 680311793 is about 879.5003159257.

The spelling of 680311793 in words is "six hundred eighty million, three hundred eleven thousand, seven hundred ninety-three".