68568000820 has 48 divisors (see below), whose sum is σ = 157458168000. Its totient is φ = 24874277120.

The previous prime is 68568000817. The next prime is 68568000827. The reversal of 68568000820 is 2800086586.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68568000827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279745 + ... + 464104.

It is an arithmetic number, because the mean of its divisors is an integer number (3280378500).

Almost surely, 2^68568000820 is an apocalyptic number.

It is an amenable number.

68568000820 is an abundant number, since it is smaller than the sum of its proper divisors (88890167180).

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

68568000820 is a wasteful number, since it uses less digits than its factorization.

68568000820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744288 (or 744286 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 68568000820 in words is "sixty-eight billion, five hundred sixty-eight million, eight hundred twenty", and thus it is an aban number.