28254824136533 has 8 divisors (see below), whose sum is σ = 28259507670240. Its totient is φ = 28250140889520.

The previous prime is 28254824136521. The next prime is 28254824136607. The reversal of 28254824136533 is 33563142845282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28254824136533 - 2¹⁰ = 28254824135509 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 (28254824126533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285736766 + ... + 285835632.

It is an arithmetic number, because the mean of its divisors is an integer number (3532438458780).

Almost surely, 2^{28254824136533} is an apocalyptic number.

It is an amenable number.

28254824136533 is a deficient number, since it is larger than the sum of its proper divisors (4683533707).

28254824136533 is an equidigital number, since it uses as much as digits as its factorization.

28254824136533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143347.

The product of its digits is 33177600, while the sum is 56.

The spelling of 28254824136533 in words is "twenty-eight trillion, two hundred fifty-four billion, eight hundred twenty-four million, one hundred thirty-six thousand, five hundred thirty-three".