8888990998888 has 384 divisors, whose sum is σ = 23923216719360. Its totient is φ = 3002554368000.

The previous prime is 8888990998859. The next prime is 8888990998897.

It is a happy number.

8888990998888 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8888990998793 and 8888990998802.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 753234588 + ... + 753246388.

It is an arithmetic number, because the mean of its divisors is an integer number (62300043540).

Almost surely, 2^{8888990998888} is an apocalyptic number.

8888990998888 is a gapful number since it is divisible by the number (88) 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 8888990998888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11961608359680).

8888990998888 is an abundant number, since it is smaller than the sum of its proper divisors (15034225720472).

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

8888990998888 is a wasteful number, since it uses less digits than its factorization.

8888990998888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12369 (or 12354 counting only the distinct ones).

The product of its (nonzero) digits is 110075314176, while the sum is 100.

The spelling of 8888990998888 in words is "eight trillion, eight hundred eighty-eight billion, nine hundred ninety million, nine hundred ninety-eight thousand, eight hundred eighty-eight".