680708267328 has 448 divisors, whose sum is σ = 2058672844800. Its totient is φ = 197181112320.

The previous prime is 680708267321. The next prime is 680708267333. The reversal of 680708267328 is 823762807086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680708267321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1192133283 + ... + 1192133853.

Almost surely, 2^680708267328 is an apocalyptic number.

680708267328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680708267328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029336422400).

680708267328 is an abundant number, since it is smaller than the sum of its proper divisors (1377964577472).

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

680708267328 is a wasteful number, since it uses less digits than its factorization.

680708267328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 680708267328 in words is "six hundred eighty billion, seven hundred eight million, two hundred sixty-seven thousand, three hundred twenty-eight".