680338338367 has 4 divisors (see below), whose sum is σ = 680348308240. Its totient is φ = 680328368496.

The previous prime is 680338338353. The next prime is 680338338397. The reversal of 680338338367 is 763833833086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680338338367 - 2¹⁵ = 680338305599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680338338397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4881867 + ... + 5019292.

It is an arithmetic number, because the mean of its divisors is an integer number (170087077060).

Almost surely, 2^680338338367 is an apocalyptic number.

680338338367 is a deficient number, since it is larger than the sum of its proper divisors (9969873).

680338338367 is an equidigital number, since it uses as much as digits as its factorization.

680338338367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9969872.

The product of its (nonzero) digits is 31352832, while the sum is 58.

The spelling of 680338338367 in words is "six hundred eighty billion, three hundred thirty-eight million, three hundred thirty-eight thousand, three hundred sixty-seven".