28171528192 has 48 divisors (see below), whose sum is σ = 56625004800. Its totient is φ = 14011822080.

The previous prime is 28171528169. The next prime is 28171528213. The reversal of 28171528192 is 29182517182.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355159 + ... + 427177.

It is an arithmetic number, because the mean of its divisors is an integer number (1179687600).

Almost surely, 2^28171528192 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 28171528192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28312502400).

28171528192 is an abundant number, since it is smaller than the sum of its proper divisors (28453476608).

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

28171528192 is an equidigital number, since it uses as much as digits as its factorization.

28171528192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72232 (or 72212 counting only the distinct ones).

The product of its digits is 161280, while the sum is 46.

The spelling of 28171528192 in words is "twenty-eight billion, one hundred seventy-one million, five hundred twenty-eight thousand, one hundred ninety-two".