28259054439 has 32 divisors (see below), whose sum is σ = 47068577280. Its totient is φ = 14651126400.

The previous prime is 28259054429. The next prime is 28259054477. The reversal of 28259054439 is 93445095282.

It is not a de Polignac number, because 28259054439 - 2¹⁶ = 28258988903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28259054391 and 28259054400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28259054429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2592 + ... + 237749.

It is an arithmetic number, because the mean of its divisors is an integer number (1470893040).

Almost surely, 2^28259054439 is an apocalyptic number.

28259054439 is a deficient number, since it is larger than the sum of its proper divisors (18809522841).

28259054439 is a wasteful number, since it uses less digits than its factorization.

28259054439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240871.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 28259054439 in words is "twenty-eight billion, two hundred fifty-nine million, fifty-four thousand, four hundred thirty-nine".