68887889900 has 18 divisors (see below), whose sum is σ = 149486721300. Its totient is φ = 27555155920.

The previous prime is 68887889843. The next prime is 68887889909. The reversal of 68887889900 is 998878886.

It is not an unprimeable number, because it can be changed into a prime (68887889909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344439350 + ... + 344439549.

It is an arithmetic number, because the mean of its divisors is an integer number (8304817850).

Almost surely, 2^68887889900 is an apocalyptic number.

It is an amenable number.

68887889900 is an abundant number, since it is smaller than the sum of its proper divisors (80598831400).

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

68887889900 is a wasteful number, since it uses less digits than its factorization.

68887889900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688878913 (or 688878906 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 71.

The spelling of 68887889900 in words is "sixty-eight billion, eight hundred eighty-seven million, eight hundred eighty-nine thousand, nine hundred".