888888885 has 16 divisors (see below), whose sum is σ = 1468101120. Its totient is φ = 458781120.

The previous prime is 888888883. The next prime is 888888887. The reversal of 888888885 is 588888888.

It is an interprime number because it is at equal distance from previous prime (888888883) and next prime (888888887).

It is not a de Polignac number, because 888888885 - 2¹ = 888888883 is a prime.

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 (888888883) 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 15 ways as a sum of consecutive naturals, for example, 955330 + ... + 956259.

It is an arithmetic number, because the mean of its divisors is an integer number (91756320).

Almost surely, 2^888888885 is an apocalyptic number.

It is an amenable number.

888888885 is a deficient number, since it is larger than the sum of its proper divisors (579212235).

888888885 is a wasteful number, since it uses less digits than its factorization.

888888885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911628.

The product of its digits is 83886080, while the sum is 69.

The square root of 888888885 is about 29814.2396347785. The cubic root of 888888885 is about 961.4997121361.

The spelling of 888888885 in words is "eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-five".