28065207563 has 2 divisors, whose sum is σ = 28065207564. Its totient is φ = 28065207562.

The previous prime is 28065207479. The next prime is 28065207601. The reversal of 28065207563 is 36570256082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28065207563 - 2⁸ = 28065207307 is a prime.

It is not a weakly prime, because it can be changed into another prime (28065207263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14032603781 + 14032603782.

It is an arithmetic number, because the mean of its divisors is an integer number (14032603782).

Almost surely, 2^28065207563 is an apocalyptic number.

28065207563 is a deficient number, since it is larger than the sum of its proper divisors (1).

28065207563 is an equidigital number, since it uses as much as digits as its factorization.

28065207563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 28065207563 in words is "twenty-eight billion, sixty-five million, two hundred seven thousand, five hundred sixty-three".