678597883796 has 108 divisors (see below), whose sum is σ = 1437755961600. Its totient is φ = 279410554080.

The previous prime is 678597883771. The next prime is 678597883819. The reversal of 678597883796 is 697388795876.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26168525 + ... + 26194443.

It is an arithmetic number, because the mean of its divisors is an integer number (13312555200).

Almost surely, 2^678597883796 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 678597883796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718877980800).

678597883796 is an abundant number, since it is smaller than the sum of its proper divisors (759158077804).

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

678597883796 is a wasteful number, since it uses less digits than its factorization.

678597883796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26138 (or 26098 counting only the distinct ones).

The product of its digits is 7681443840, while the sum is 83.

The spelling of 678597883796 in words is "six hundred seventy-eight billion, five hundred ninety-seven million, eight hundred eighty-three thousand, seven hundred ninety-six".