988888888888888 has 64 divisors (see below), whose sum is σ = 2008244239092000. Its totient is φ = 453794306480640.

The previous prime is 988888888888871. The next prime is 988888888888903. The reversal of 988888888888888 is 888888888888889.

988888888888888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

988888888888888 is a modest number, since divided by 88888888 gives 9888888 as remainder.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85142463 + ... + 96057361.

Almost surely, 2^{988888888888888} 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 988888888888888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004122119546000).

988888888888888 is an abundant number, since it is smaller than the sum of its proper divisors (1019355350203112).

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

988888888888888 is a wasteful number, since it uses less digits than its factorization.

988888888888888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919912 (or 10919908 counting only the distinct ones).

The product of its digits is 39582418599936, while the sum is 121.

Subtracting from 988888888888888 its reverse (888888888888889), we obtain a palindrome (99999999999999).

The spelling of 988888888888888 in words is "nine hundred eighty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-eight".