28918002888 has 128 divisors (see below), whose sum is σ = 86151600000. Its totient is φ = 8959631616.

The previous prime is 28918002887. The next prime is 28918002913. The reversal of 28918002888 is 88820081982.

28918002888 is a `hidden beast` number, since 289 + 1 + 80 + 0 + 288 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28918002887) 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 31 ways as a sum of consecutive naturals, for example, 151038 + ... + 283986.

It is an arithmetic number, because the mean of its divisors is an integer number (673059375).

Almost surely, 2^28918002888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28918002888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43075800000).

28918002888 is an abundant number, since it is smaller than the sum of its proper divisors (57233597112).

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

28918002888 is a wasteful number, since it uses less digits than its factorization.

28918002888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133036 (or 133026 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 54.

The spelling of 28918002888 in words is "twenty-eight billion, nine hundred eighteen million, two thousand, eight hundred eighty-eight".