28027530005 has 16 divisors (see below), whose sum is σ = 34326331248. Its totient is φ = 21962880000.

The previous prime is 28027529977. The next prime is 28027530017. The reversal of 28027530005 is 50003572082.

It can be written as a sum of positive squares in 8 ways, for example, as 244640881 + 27782889124 = 15641^2 + 166682^2 .

It is not a de Polignac number, because 28027530005 - 2²⁸ = 27759094549 is a prime.

It is a Duffinian number.

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, 117146 + ... + 264155.

It is an arithmetic number, because the mean of its divisors is an integer number (2145395703).

Almost surely, 2^28027530005 is an apocalyptic number.

It is an amenable number.

28027530005 is a deficient number, since it is larger than the sum of its proper divisors (6298801243).

28027530005 is a wasteful number, since it uses less digits than its factorization.

28027530005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381608.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 28027530005 in words is "twenty-eight billion, twenty-seven million, five hundred thirty thousand, five".