28005530005 has 16 divisors (see below), whose sum is σ = 33702986304. Its totient is φ = 22340263680.

The previous prime is 28005529991. The next prime is 28005530041. The reversal of 28005530005 is 50003550082.

It is not a de Polignac number, because 28005530005 - 2⁹ = 28005529493 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, 4019725 + ... + 4026685.

It is an arithmetic number, because the mean of its divisors is an integer number (2106436644).

Almost surely, 2^28005530005 is an apocalyptic number.

It is an amenable number.

28005530005 is a deficient number, since it is larger than the sum of its proper divisors (5697456299).

28005530005 is a wasteful number, since it uses less digits than its factorization.

28005530005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 28005530005 in words is "twenty-eight billion, five million, five hundred thirty thousand, five".