28884051804544 has 128 divisors (see below), whose sum is σ = 61032833326080. Its totient is φ = 13587715215360.

The previous prime is 28884051804499. The next prime is 28884051804583. The reversal of 28884051804544 is 44540815048882.

It is a tau number, because it is divible by the number of its divisors (128).

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, 78689599 + ... + 79055809.

It is an arithmetic number, because the mean of its divisors is an integer number (476819010360).

Almost surely, 2^{28884051804544} 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 28884051804544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30516416663040).

28884051804544 is an abundant number, since it is smaller than the sum of its proper divisors (32148781521536).

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

28884051804544 is a wasteful number, since it uses less digits than its factorization.

28884051804544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366688 (or 366676 counting only the distinct ones).

The product of its (nonzero) digits is 52428800, while the sum is 61.

The spelling of 28884051804544 in words is "twenty-eight trillion, eight hundred eighty-four billion, fifty-one million, eight hundred four thousand, five hundred forty-four".