28324652589 has 20 divisors (see below), whose sum is σ = 42333544000. Its totient is φ = 18873547560.

The previous prime is 28324652579. The next prime is 28324652597. The reversal of 28324652589 is 98525642382.

28324652589 is a `hidden beast` number, since 2 + 8 + 3 + 2 + 4 + 6 + 52 + 589 = 666.

It is not a de Polignac number, because 28324652589 - 2⁵ = 28324652557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28324652579) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74454 + ... + 249384.

It is an arithmetic number, because the mean of its divisors is an integer number (2116677200).

Almost surely, 2^28324652589 is an apocalyptic number.

It is an amenable number.

28324652589 is a deficient number, since it is larger than the sum of its proper divisors (14008891411).

28324652589 is a wasteful number, since it uses less digits than its factorization.

28324652589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176942 (or 176933 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 28324652589 in words is "twenty-eight billion, three hundred twenty-four million, six hundred fifty-two thousand, five hundred eighty-nine".