680862503285 has 16 divisors (see below), whose sum is σ = 817627378176. Its totient is φ = 544295246208.

The previous prime is 680862503281. The next prime is 680862503287. The reversal of 680862503285 is 582305268086.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 680862503285 - 2² = 680862503281 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 (680862503281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51082292 + ... + 51095618.

It is an arithmetic number, because the mean of its divisors is an integer number (51101711136).

Almost surely, 2^680862503285 is an apocalyptic number.

It is an amenable number.

680862503285 is a deficient number, since it is larger than the sum of its proper divisors (136764874891).

680862503285 is a wasteful number, since it uses less digits than its factorization.

680862503285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19972.

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 680862503285 in words is "six hundred eighty billion, eight hundred sixty-two million, five hundred three thousand, two hundred eighty-five".