28817873441584 has 90 divisors (see below), whose sum is σ = 59194130252460. Its totient is φ = 13553520091200.

The previous prime is 28817873441561. The next prime is 28817873441629. The reversal of 28817873441584 is 48514437871882.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14133335637 + ... + 14133337675.

Almost surely, 2^{28817873441584} 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 28817873441584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29597065126230).

28817873441584 is an abundant number, since it is smaller than the sum of its proper divisors (30376256810876).

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

28817873441584 is an frugal number, since it uses more digits than its factorization.

28817873441584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407 (or 2211 counting only the distinct ones).

The product of its digits is 385351680, while the sum is 70.

The spelling of 28817873441584 in words is "twenty-eight trillion, eight hundred seventeen billion, eight hundred seventy-three million, four hundred forty-one thousand, five hundred eighty-four".