8888888888889 has 8 divisors (see below), whose sum is σ = 11854809654720. Its totient is φ = 5924447024496.

The previous prime is 8888888888857. The next prime is 8888888888921. The reversal of 8888888888889 is 9888888888888.

It is an interprime number because it is at equal distance from previous prime (8888888888857) and next prime (8888888888921).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8888888888889 - 2⁵ = 8888888888857 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8888888888849) 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, 369711334 + ... + 369735375.

It is an arithmetic number, because the mean of its divisors is an integer number (1481851206840).

Almost surely, 2^{8888888888889} is an apocalyptic number.

It is an amenable number.

8888888888889 is a deficient number, since it is larger than the sum of its proper divisors (2965920765831).

8888888888889 is a wasteful number, since it uses less digits than its factorization.

8888888888889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739450719.

The product of its digits is 618475290624, while the sum is 105.

Subtracting 8888888888889 from its reverse (9888888888888), we obtain a palindrome (999999999999).

The spelling of 8888888888889 in words is "eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".