888888888999999 has 12 divisors (see below), whose sum is σ = 1318651985483976. Its totient is φ = 576576576648432.

The previous prime is 888888888999959. The next prime is 888888889000003. The reversal of 888888888999999 is 999999888888888.

It is not a de Polignac number, because 888888888999999 - 2¹⁹ = 888888888475711 is a prime.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888888888999929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334668001169 + ... + 1334668001834.

It is an arithmetic number, because the mean of its divisors is an integer number (109887665456998).

Almost surely, 2^{888888888999999} is an apocalyptic number.

888888888999999 is a deficient number, since it is larger than the sum of its proper divisors (429763096483977).

888888888999999 is a wasteful number, since it uses less digits than its factorization.

888888888999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669336003046 (or 2669336003043 counting only the distinct ones).

The product of its digits is 71328803586048, while the sum is 126.

The spelling of 888888888999999 in words is "eight hundred eighty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-nine".