680842868404 has 12 divisors (see below), whose sum is σ = 1193437915264. Its totient is φ = 339860606904.

The previous prime is 680842868383. The next prime is 680842868411. The reversal of 680842868404 is 404868248086.

It is a super-2 number, since 2×680842868404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140204094 + ... + 140208949.

Almost surely, 2^680842868404 is an apocalyptic number.

It is an amenable number.

680842868404 is a deficient number, since it is larger than the sum of its proper divisors (512595046860).

680842868404 is a wasteful number, since it uses less digits than its factorization.

680842868404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280413654 (or 280413652 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 58.

The spelling of 680842868404 in words is "six hundred eighty billion, eight hundred forty-two million, eight hundred sixty-eight thousand, four hundred four".