28344133759 has 4 divisors (see below), whose sum is σ = 28345269816. Its totient is φ = 28342997704.

The previous prime is 28344133717. The next prime is 28344133787. The reversal of 28344133759 is 95733144382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95733144382 = 2 ⋅47866572191.

It is a cyclic number.

It is not a de Polignac number, because 28344133759 - 2⁹ = 28344133247 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 (28344133159) 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, 529744 + ... + 580789.

It is an arithmetic number, because the mean of its divisors is an integer number (7086317454).

Almost surely, 2^28344133759 is an apocalyptic number.

28344133759 is a deficient number, since it is larger than the sum of its proper divisors (1136057).

28344133759 is a wasteful number, since it uses less digits than its factorization.

28344133759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136056.

The product of its digits is 2177280, while the sum is 49.

The spelling of 28344133759 in words is "twenty-eight billion, three hundred forty-four million, one hundred thirty-three thousand, seven hundred fifty-nine".