28275008253 has 4 divisors (see below), whose sum is σ = 37700011008. Its totient is φ = 18850005500.

The previous prime is 28275008221. The next prime is 28275008261. The reversal of 28275008253 is 35280057282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28275008253 - 2⁵ = 28275008221 is a prime.

It is a super-3 number, since 3×28275008253³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28275008273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4712501373 + ... + 4712501378.

It is an arithmetic number, because the mean of its divisors is an integer number (9425002752).

Almost surely, 2^28275008253 is an apocalyptic number.

It is an amenable number.

28275008253 is a deficient number, since it is larger than the sum of its proper divisors (9425002755).

28275008253 is an equidigital number, since it uses as much as digits as its factorization.

28275008253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425002754.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 28275008253 in words is "twenty-eight billion, two hundred seventy-five million, eight thousand, two hundred fifty-three".