288888860 has 48 divisors (see below), whose sum is σ = 656208000. Its totient is φ = 106197504.

The previous prime is 288888827. The next prime is 288888889. The reversal of 288888860 is 68888882.

It is a junction number, because it is equal to n+sod(n) for n = 288888796 and 288888805.

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, 59816 + ... + 64464.

It is an arithmetic number, because the mean of its divisors is an integer number (13671000).

Almost surely, 2^288888860 is an apocalyptic number.

288888860 is a gapful number since it is divisible by the number (20) 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 288888860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328104000).

288888860 is an abundant number, since it is smaller than the sum of its proper divisors (367319140).

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

288888860 is a wasteful number, since it uses less digits than its factorization.

288888860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910 (or 4908 counting only the distinct ones).

The product of its (nonzero) digits is 3145728, while the sum is 56.

The square root of 288888860 is about 16996.7308621393. The cubic root of 288888860 is about 661.0641388581.

It can be divided in two parts, 28 and 8888860, that added together give a palindrome (8888888).

The spelling of 288888860 in words is "two hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred sixty".