68800056558 has 16 divisors (see below), whose sum is σ = 137628478416. Its totient is φ = 22928624640.

The previous prime is 68800056557. The next prime is 68800056649. The reversal of 68800056558 is 85565000886.

It is a self number, because there is not a number n which added to its sum of digits gives 68800056558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68800056557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150291 + ... + 1208622.

It is an arithmetic number, because the mean of its divisors is an integer number (8601779901).

Almost surely, 2^68800056558 is an apocalyptic number.

68800056558 is an abundant number, since it is smaller than the sum of its proper divisors (68828421858).

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

68800056558 is a wasteful number, since it uses less digits than its factorization.

68800056558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363779.

The product of its (nonzero) digits is 2304000, while the sum is 51.

The spelling of 68800056558 in words is "sixty-eight billion, eight hundred million, fifty-six thousand, five hundred fifty-eight".