568281978900 has 360 divisors, whose sum is σ = 1954204532280. Its totient is φ = 142357340160.

The previous prime is 568281978899. The next prime is 568281978919. The reversal of 568281978900 is 9879182865.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 108101548944 + 460180429956 = 328788^2 + 678366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 78347674 + ... + 78354926.

It is an arithmetic number, because the mean of its divisors is an integer number (5428345923).

Almost surely, 2^568281978900 is an apocalyptic number.

568281978900 is a gapful number since it is divisible by the number (50) 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 568281978900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977102266140).

568281978900 is an abundant number, since it is smaller than the sum of its proper divisors (1385922553380).

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

568281978900 is a wasteful number, since it uses less digits than its factorization.

568281978900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865 (or 7849 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 568281978900 in words is "five hundred sixty-eight billion, two hundred eighty-one million, nine hundred seventy-eight thousand, nine hundred".