888888999999999 has 8 divisors (see below), whose sum is σ = 1217217369369520. Its totient is φ = 576576648648576.

The previous prime is 888888999999989. The next prime is 888889000000013. The reversal of 888888999999999 is 999999999888888.

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

It is not a de Polignac number, because 888888999999999 - 2¹³ = 888888999991807 is a prime.

It is a Duffinian number.

888888999999999 is a modest number, since divided by 99999999 gives 8888889 as remainder.

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 (888888999999989) 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, 4004004504394 + ... + 4004004504615.

It is an arithmetic number, because the mean of its divisors is an integer number (152152171171190).

Almost surely, 2^{888888999999999} is an apocalyptic number.

888888999999999 is a deficient number, since it is larger than the sum of its proper divisors (328328369369521).

888888999999999 is a wasteful number, since it uses less digits than its factorization.

888888999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008009009049.

The product of its digits is 101559956668416, while the sum is 129.

The spelling of 888888999999999 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-nine".