568709980 has 36 divisors (see below), whose sum is σ = 1227500568. Its totient is φ = 221325120.

The previous prime is 568709971. The next prime is 568709989. The reversal of 568709980 is 89907865.

It is an interprime number because it is at equal distance from previous prime (568709971) and next prime (568709989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568709989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16995 + ... + 37765.

It is an arithmetic number, because the mean of its divisors is an integer number (34097238).

Almost surely, 2^568709980 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 568709980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613750284).

568709980 is an abundant number, since it is smaller than the sum of its proper divisors (658790588).

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

568709980 is a wasteful number, since it uses less digits than its factorization.

568709980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20854 (or 20815 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 568709980 is about 23847.6409734800. The cubic root of 568709980 is about 828.5084646396.

The spelling of 568709980 in words is "five hundred sixty-eight million, seven hundred nine thousand, nine hundred eighty".