28594288002239 has 4 divisors (see below), whose sum is σ = 29516684389440. Its totient is φ = 27671891615040.

The previous prime is 28594288002233. The next prime is 28594288002263. The reversal of 28594288002239 is 93220088249582.

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 28594288002239 - 2²⁰ = 28594286953663 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 (28594288002233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461198193554 + ... + 461198193615.

It is an arithmetic number, because the mean of its divisors is an integer number (7379171097360).

Almost surely, 2^{28594288002239} is an apocalyptic number.

28594288002239 is a deficient number, since it is larger than the sum of its proper divisors (922396387201).

28594288002239 is an equidigital number, since it uses as much as digits as its factorization.

28594288002239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922396387200.

The product of its (nonzero) digits is 39813120, while the sum is 62.

The spelling of 28594288002239 in words is "twenty-eight trillion, five hundred ninety-four billion, two hundred eighty-eight million, two thousand, two hundred thirty-nine".