28568475717 has 16 divisors (see below), whose sum is σ = 38314644480. Its totient is φ = 18934038000.

The previous prime is 28568475709. The next prime is 28568475757. The reversal of 28568475717 is 71757486582.

It is not a de Polignac number, because 28568475717 - 2³ = 28568475709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28568475757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589092 + ... + 3597042.

It is an arithmetic number, because the mean of its divisors is an integer number (2394665280).

Almost surely, 2^28568475717 is an apocalyptic number.

It is an amenable number.

28568475717 is a deficient number, since it is larger than the sum of its proper divisors (9746168763).

28568475717 is a wasteful number, since it uses less digits than its factorization.

28568475717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824.

The product of its digits is 26342400, while the sum is 60.

The spelling of 28568475717 in words is "twenty-eight billion, five hundred sixty-eight million, four hundred seventy-five thousand, seven hundred seventeen".