568309856 has 96 divisors (see below), whose sum is σ = 1204035840. Its totient is φ = 263577600.

The previous prime is 568309843. The next prime is 568309877. The reversal of 568309856 is 658903865.

568309856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3619730 + ... + 3619886.

It is an arithmetic number, because the mean of its divisors is an integer number (12542040).

Almost surely, 2^568309856 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 568309856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602017920).

568309856 is an abundant number, since it is smaller than the sum of its proper divisors (635725984).

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

568309856 is a wasteful number, since it uses less digits than its factorization.

568309856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 568309856 is about 23839.2503237833. The cubic root of 568309856 is about 828.3141160798.

The spelling of 568309856 in words is "five hundred sixty-eight million, three hundred nine thousand, eight hundred fifty-six".