680064679605248 has 132 divisors (see below), whose sum is σ = 1603692252860832. Its totient is φ = 287351271567360.

The previous prime is 680064679605217. The next prime is 680064679605341. The reversal of 680064679605248 is 842506976460086.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91885286 + ... + 99010277.

Almost surely, 2^{680064679605248} is an apocalyptic number.

It is an amenable number.

680064679605248 is an abundant number, since it is smaller than the sum of its proper divisors (923627573255584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680064679605248 is a wasteful number, since it uses less digits than its factorization.

680064679605248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190895668 (or 190895643 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 71.

The spelling of 680064679605248 in words is "six hundred eighty trillion, sixty-four billion, six hundred seventy-nine million, six hundred five thousand, two hundred forty-eight".