8888888888887 has 8 divisors (see below), whose sum is σ = 10173221933472. Its totient is φ = 7608178788000.

The previous prime is 8888888888857. The next prime is 8888888888921. The reversal of 8888888888887 is 7888888888888.

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

It is a de Polignac number, because none of the positive numbers 2^k-8888888888887 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8888888888857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905730664 + ... + 905740477.

It is an arithmetic number, because the mean of its divisors is an integer number (1271652741684).

Almost surely, 2^{8888888888887} is an apocalyptic number.

8888888888887 is a deficient number, since it is larger than the sum of its proper divisors (1284333044585).

8888888888887 is a wasteful number, since it uses less digits than its factorization.

8888888888887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811471849.

The product of its digits is 481036337152, while the sum is 103.

Subtracting from 8888888888887 its reverse (7888888888888), we obtain a palindrome (999999999999).

The spelling of 8888888888887 in words is "eight trillion, eight hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-seven".