28254559524479 has 16 divisors (see below), whose sum is σ = 28704142731264. Its totient is φ = 27807601773600.

The previous prime is 28254559524467. The next prime is 28254559524547. The reversal of 28254559524479 is 97442595545282.

It is a cyclic number.

It is not a de Polignac number, because 28254559524479 - 2²⁸ = 28254291089023 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 (28254559524449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186458714 + ... + 186610184.

It is an arithmetic number, because the mean of its divisors is an integer number (1794008920704).

Almost surely, 2^{28254559524479} is an apocalyptic number.

28254559524479 is a deficient number, since it is larger than the sum of its proper divisors (449583206785).

28254559524479 is a wasteful number, since it uses less digits than its factorization.

28254559524479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160118.

The product of its digits is 1451520000, while the sum is 71.

The spelling of 28254559524479 in words is "twenty-eight trillion, two hundred fifty-four billion, five hundred fifty-nine million, five hundred twenty-four thousand, four hundred seventy-nine".