563912887 has 2 divisors, whose sum is σ = 563912888. Its totient is φ = 563912886.

The previous prime is 563912861. The next prime is 563912897. The reversal of 563912887 is 788219365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563912887 - 2⁷ = 563912759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 563912887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563912857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281956443 + 281956444.

It is an arithmetic number, because the mean of its divisors is an integer number (281956444).

Almost surely, 2^563912887 is an apocalyptic number.

563912887 is a deficient number, since it is larger than the sum of its proper divisors (1).

563912887 is an equidigital number, since it uses as much as digits as its factorization.

563912887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The square root of 563912887 is about 23746.8500437426. The cubic root of 563912887 is about 826.1723825154.

The spelling of 563912887 in words is "five hundred sixty-three million, nine hundred twelve thousand, eight hundred eighty-seven".