28563785586009 has 64 divisors (see below), whose sum is σ = 43034904057600. Its totient is φ = 18722285568000.

The previous prime is 28563785585989. The next prime is 28563785586107. The reversal of 28563785586009 is 90068558736582.

28563785586009 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 3 + 7 + 8 + 5 + 5 + 8 + 600 + 9 = 666.

It is not a de Polignac number, because 28563785586009 - 2¹¹ = 28563785583961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28563785587009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 509302849 + ... + 509358929.

It is an arithmetic number, because the mean of its divisors is an integer number (672420375900).

Almost surely, 2^{28563785586009} is an apocalyptic number.

It is an amenable number.

28563785586009 is a deficient number, since it is larger than the sum of its proper divisors (14471118471591).

28563785586009 is a wasteful number, since it uses less digits than its factorization.

28563785586009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57543 (or 57537 counting only the distinct ones).

The product of its (nonzero) digits is 870912000, while the sum is 72.

The spelling of 28563785586009 in words is "twenty-eight trillion, five hundred sixty-three billion, seven hundred eighty-five million, five hundred eighty-six thousand, nine".