28545285583 has 2 divisors, whose sum is σ = 28545285584. Its totient is φ = 28545285582.

The previous prime is 28545285581. The next prime is 28545285647. The reversal of 28545285583 is 38558254582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28545285583 - 2¹ = 28545285581 is a prime.

Together with 28545285581, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28545285581) 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 as a sum of consecutive naturals, namely, 14272642791 + 14272642792.

It is an arithmetic number, because the mean of its divisors is an integer number (14272642792).

Almost surely, 2^28545285583 is an apocalyptic number.

28545285583 is a deficient number, since it is larger than the sum of its proper divisors (1).

28545285583 is an equidigital number, since it uses as much as digits as its factorization.

28545285583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360000, while the sum is 55.

The spelling of 28545285583 in words is "twenty-eight billion, five hundred forty-five million, two hundred eighty-five thousand, five hundred eighty-three".