28500285259 has 4 divisors (see below), whose sum is σ = 28501713000. Its totient is φ = 28498857520.

The previous prime is 28500285227. The next prime is 28500285277. The reversal of 28500285259 is 95258200582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28500285259 - 2⁵ = 28500285227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28500285059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683497 + ... + 723994.

It is an arithmetic number, because the mean of its divisors is an integer number (7125428250).

Almost surely, 2^28500285259 is an apocalyptic number.

28500285259 is a deficient number, since it is larger than the sum of its proper divisors (1427741).

28500285259 is a wasteful number, since it uses less digits than its factorization.

28500285259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427740.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 28500285259 in words is "twenty-eight billion, five hundred million, two hundred eighty-five thousand, two hundred fifty-nine".