8717873 has 2 divisors, whose sum is σ = 8717874. Its totient is φ = 8717872.

The previous prime is 8717869. The next prime is 8717881. The reversal of 8717873 is 3787178.

8717873 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 can be written as a sum of positive squares in only one way, i.e., 8567329 + 150544 = 2927^2 + 388^2 .

It is a cyclic number.

It is not a de Polignac number, because 8717873 - 2² = 8717869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8717873.

It is not a weakly prime, because it can be changed into another prime (8717803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4358936 + 4358937.

It is an arithmetic number, because the mean of its divisors is an integer number (4358937).

Almost surely, 2^8717873 is an apocalyptic number.

It is an amenable number.

8717873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8717873 is an equidigital number, since it uses as much as digits as its factorization.

8717873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 41.

The square root of 8717873 is about 2952.6044435379. The cubic root of 8717873 is about 205.8117565862.

The spelling of 8717873 in words is "eight million, seven hundred seventeen thousand, eight hundred seventy-three".