888888999999998 has 32 divisors (see below), whose sum is σ = 1413132237025920. Its totient is φ = 417895663127040.

The previous prime is 888888999999989. The next prime is 888889000000013. The reversal of 888888999999998 is 899999999888888.

It is a super-5 number, since 5×888888999999998⁵ (a number of 76 digits) contains 55555 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285454508 + ... + 288551648.

It is an arithmetic number, because the mean of its divisors is an integer number (44160382407060).

Almost surely, 2^{888888999999998} is an apocalyptic number.

888888999999998 is a deficient number, since it is larger than the sum of its proper divisors (524243237025922).

888888999999998 is a wasteful number, since it uses less digits than its factorization.

888888999999998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105332.

The product of its digits is 90275517038592, while the sum is 128.

The spelling of 888888999999998 in words is "eight hundred eighty-eight trillion, eight hundred eighty-eight billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight".