683847803664 has 480 divisors, whose sum is σ = 2152864172160. Its totient is φ = 207638028288.

The previous prime is 683847803621. The next prime is 683847803671. The reversal of 683847803664 is 466308748386.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1464341959 + ... + 1464342425.

It is an arithmetic number, because the mean of its divisors is an integer number (4485133692).

Almost surely, 2^683847803664 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 683847803664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076432086080).

683847803664 is an abundant number, since it is smaller than the sum of its proper divisors (1469016368496).

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

683847803664 is a wasteful number, since it uses less digits than its factorization.

683847803664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 63.

The spelling of 683847803664 in words is "six hundred eighty-three billion, eight hundred forty-seven million, eight hundred three thousand, six hundred sixty-four".