888889000000000 has 400 divisors, whose sum is σ = 2253357073943712. Its totient is φ = 350222400000000.

The previous prime is 888888999999989. The next prime is 888889000000013. The reversal of 888889000000000 is 988888.

It is a tau number, because it is divible by the number of its divisors (400).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 66999993367 + ... + 67000006633.

Almost surely, 2^{888889000000000} is an apocalyptic number.

888889000000000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 888889000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1126678536971856).

888889000000000 is an abundant number, since it is smaller than the sum of its proper divisors (1364468073943712).

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

888889000000000 is an frugal number, since it uses more digits than its factorization.

888889000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13397 (or 13341 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 49.

Adding to 888889000000000 its reverse (988888), we get a palindrome (888889000988888).

The spelling of 888889000000000 in words is "eight hundred eighty-eight trillion, eight hundred eighty-nine billion", and thus it is an aban number.