680208838847 has 8 divisors (see below), whose sum is σ = 685054323072. Its totient is φ = 675367839000.

The previous prime is 680208838759. The next prime is 680208838909. The reversal of 680208838847 is 748838802086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680208838847 - 2¹⁰ = 680208837823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680208838847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680208838747) 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, 816353 + ... + 1423674.

It is an arithmetic number, because the mean of its divisors is an integer number (85631790384).

Almost surely, 2^680208838847 is an apocalyptic number.

680208838847 is a deficient number, since it is larger than the sum of its proper divisors (4845484225).

680208838847 is a wasteful number, since it uses less digits than its factorization.

680208838847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242189.

The product of its (nonzero) digits is 33030144, while the sum is 62.

The spelling of 680208838847 in words is "six hundred eighty billion, two hundred eight million, eight hundred thirty-eight thousand, eight hundred forty-seven".