3568985856 has 216 divisors, whose sum is σ = 10744441344. Its totient is φ = 1138083840.

The previous prime is 3568985851. The next prime is 3568985881. The reversal of 3568985856 is 6585898653.

It is a junction number, because it is equal to n+sod(n) for n = 3568985793 and 3568985802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3568985851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7642135 + ... + 7642601.

It is an arithmetic number, because the mean of its divisors is an integer number (49742784).

Almost surely, 2^3568985856 is an apocalyptic number.

3568985856 is a gapful number since it is divisible by the number (36) 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 3568985856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5372220672).

3568985856 is an abundant number, since it is smaller than the sum of its proper divisors (7175455488).

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

3568985856 is a wasteful number, since it uses less digits than its factorization.

3568985856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 610 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 63.

The square root of 3568985856 is about 59740.9897474088. The cubic root of 3568985856 is about 1528.2049741928.

The spelling of 3568985856 in words is "three billion, five hundred sixty-eight million, nine hundred eighty-five thousand, eight hundred fifty-six".