28857460288 has 56 divisors (see below), whose sum is σ = 60701419872. Its totient is φ = 13564545024.

The previous prime is 28857460223. The next prime is 28857460369. The reversal of 28857460288 is 88206475882.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972195 + ... + 1001437.

Almost surely, 2^28857460288 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 28857460288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30350709936).

28857460288 is an abundant number, since it is smaller than the sum of its proper divisors (31843959584).

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

28857460288 is a wasteful number, since it uses less digits than its factorization.

28857460288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30179 (or 30169 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 58.

The spelling of 28857460288 in words is "twenty-eight billion, eight hundred fifty-seven million, four hundred sixty thousand, two hundred eighty-eight".