28242757339 has 4 divisors (see below), whose sum is σ = 29904096024. Its totient is φ = 26581418656.

The previous prime is 28242757331. The next prime is 28242757349. The reversal of 28242757339 is 93375724282.

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 28242757339 - 2³ = 28242757331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28242757331) 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, 830669317 + ... + 830669350.

It is an arithmetic number, because the mean of its divisors is an integer number (7476024006).

Almost surely, 2^28242757339 is an apocalyptic number.

28242757339 is a deficient number, since it is larger than the sum of its proper divisors (1661338685).

28242757339 is a wasteful number, since it uses less digits than its factorization.

28242757339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661338684.

The product of its digits is 5080320, while the sum is 52.

The spelling of 28242757339 in words is "twenty-eight billion, two hundred forty-two million, seven hundred fifty-seven thousand, three hundred thirty-nine".