28888466880000 has 800 divisors, whose sum is σ = 118363517750016. Its totient is φ = 6095130624000.

The previous prime is 28888466879977. The next prime is 28888466880001. The reversal of 28888466880000 is 8866488882.

It is a tau number, because it is divible by the number of its divisors (800).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28888466880001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 87194659 + ... + 87525341.

Almost surely, 2^{28888466880000} is an apocalyptic number.

28888466880000 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 28888466880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59181758875008).

28888466880000 is an abundant number, since it is smaller than the sum of its proper divisors (89475050870016).

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

28888466880000 is an equidigital number, since it uses as much as digits as its factorization.

28888466880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330744 (or 330713 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 66.

The spelling of 28888466880000 in words is "twenty-eight trillion, eight hundred eighty-eight billion, four hundred sixty-six million, eight hundred eighty thousand".