8718859 has 2 divisors, whose sum is σ = 8718860. Its totient is φ = 8718858.

The previous prime is 8718851. The next prime is 8718869. The reversal of 8718859 is 9588178.

8718859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8718859 - 2³ = 8718851 is a prime.

It is not a weakly prime, because it can be changed into another prime (8718851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4359429 + 4359430.

It is an arithmetic number, because the mean of its divisors is an integer number (4359430).

Almost surely, 2^8718859 is an apocalyptic number.

8718859 is a deficient number, since it is larger than the sum of its proper divisors (1).

8718859 is an equidigital number, since it uses as much as digits as its factorization.

8718859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 46.

The square root of 8718859 is about 2952.7714100485. The cubic root of 8718859 is about 205.8195154643.

It can be divided in two parts, 871 and 8859, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 8718859 in words is "eight million, seven hundred eighteen thousand, eight hundred fifty-nine".