28595827128 has 32 divisors (see below), whose sum is σ = 77988620160. Its totient is φ = 8665402080.

The previous prime is 28595827097. The next prime is 28595827133. The reversal of 28595827128 is 82172859582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54158500 + ... + 54159027.

It is an arithmetic number, because the mean of its divisors is an integer number (2437144380).

Almost surely, 2^28595827128 is an apocalyptic number.

It is an amenable number.

28595827128 is an abundant number, since it is smaller than the sum of its proper divisors (49392793032).

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

28595827128 is a wasteful number, since it uses less digits than its factorization.

28595827128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108317547 (or 108317543 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 57.

The spelling of 28595827128 in words is "twenty-eight billion, five hundred ninety-five million, eight hundred twenty-seven thousand, one hundred twenty-eight".