8712558559 has 2 divisors, whose sum is σ = 8712558560. Its totient is φ = 8712558558.

The previous prime is 8712558551. The next prime is 8712558581. The reversal of 8712558559 is 9558552178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8712558559 - 2³ = 8712558551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8712558551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356279279 + 4356279280.

It is an arithmetic number, because the mean of its divisors is an integer number (4356279280).

Almost surely, 2^8712558559 is an apocalyptic number.

8712558559 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712558559 is an equidigital number, since it uses as much as digits as its factorization.

8712558559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040000, while the sum is 55.

The square root of 8712558559 is about 93341.0871963681. The cubic root of 8712558559 is about 2057.6992693471.

The spelling of 8712558559 in words is "eight billion, seven hundred twelve million, five hundred fifty-eight thousand, five hundred fifty-nine".