680986455072 has 288 divisors, whose sum is σ = 2297801189376. Its totient is φ = 172765232640.

The previous prime is 680986455013. The next prime is 680986455077. The reversal of 680986455072 is 270554689086.

It is a junction number, because it is equal to n+sod(n) for n = 680986454997 and 680986455015.

It is not an unprimeable number, because it can be changed into a prime (680986455077) 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 47 ways as a sum of consecutive naturals, for example, 3399033 + ... + 3593799.

It is an arithmetic number, because the mean of its divisors is an integer number (7978476352).

Almost surely, 2^680986455072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680986455072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148900594688).

680986455072 is an abundant number, since it is smaller than the sum of its proper divisors (1616814734304).

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

680986455072 is a wasteful number, since it uses less digits than its factorization.

680986455072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194852 (or 194833 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 680986455072 in words is "six hundred eighty billion, nine hundred eighty-six million, four hundred fifty-five thousand, seventy-two".