288868888 has 64 divisors (see below), whose sum is σ = 682110720. Its totient is φ = 111408000.

The previous prime is 288868861. The next prime is 288868901. The reversal of 288868888 is 888868882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59895 + ... + 64537.

It is an arithmetic number, because the mean of its divisors is an integer number (10657980).

Almost surely, 2^288868888 is an apocalyptic number.

288868888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288868888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341055360).

288868888 is an abundant number, since it is smaller than the sum of its proper divisors (393241832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288868888 is a wasteful number, since it uses less digits than its factorization.

288868888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4764 counting only the distinct ones).

The product of its digits is 25165824, while the sum is 64.

The square root of 288868888 is about 16996.1433272375. The cubic root of 288868888 is about 661.0489045367.

The spelling of 288868888 in words is "two hundred eighty-eight million, eight hundred sixty-eight thousand, eight hundred eighty-eight".