888999999999999 has 16 divisors (see below), whose sum is σ = 1217484336449760. Its totient is φ = 576594190558080.

The previous prime is 888999999999977. The next prime is 889000000000043. The reversal of 888999999999999 is 999999999999888.

It is not a de Polignac number, because 888999999999999 - 2²⁴ = 888999983222783 is a prime.

It is a super-9 number, since 9×888999999999999⁹ (a number of 136 digits) contains 999999999 as substring.

888999999999999 is a modest number, since divided by 99999999 gives 8889999 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 888999999999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888999999999929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377000512 + ... + 379351269.

It is an arithmetic number, because the mean of its divisors is an integer number (76092771028110).

Almost surely, 2^{888999999999999} is an apocalyptic number.

888999999999999 is a deficient number, since it is larger than the sum of its proper divisors (328484336449761).

888999999999999 is a wasteful number, since it uses less digits than its factorization.

888999999999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756362410.

The product of its digits is 144603922678272, while the sum is 132.

The spelling of 888999999999999 in words is "eight hundred eighty-eight trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".