28563065599 has 2 divisors, whose sum is σ = 28563065600. Its totient is φ = 28563065598.

The previous prime is 28563065551. The next prime is 28563065653. The reversal of 28563065599 is 99556036582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28563065599 - 2⁷ = 28563065471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28563065519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14281532799 + 14281532800.

It is an arithmetic number, because the mean of its divisors is an integer number (14281532800).

Almost surely, 2^28563065599 is an apocalyptic number.

28563065599 is a deficient number, since it is larger than the sum of its proper divisors (1).

28563065599 is an equidigital number, since it uses as much as digits as its factorization.

28563065599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496000, while the sum is 58.

The spelling of 28563065599 in words is "twenty-eight billion, five hundred sixty-three million, sixty-five thousand, five hundred ninety-nine".