8687873 has 2 divisors, whose sum is σ = 8687874. Its totient is φ = 8687872.

The previous prime is 8687827. The next prime is 8687879. The reversal of 8687873 is 3787868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 976144 = 2777^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 8687873 - 2¹⁶ = 8622337 is a prime.

It is not a weakly prime, because it can be changed into another prime (8687879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343936 + 4343937.

It is an arithmetic number, because the mean of its divisors is an integer number (4343937).

Almost surely, 2^8687873 is an apocalyptic number.

It is an amenable number.

8687873 is a deficient number, since it is larger than the sum of its proper divisors (1).

8687873 is an equidigital number, since it uses as much as digits as its factorization.

8687873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The square root of 8687873 is about 2947.5198048529. The cubic root of 8687873 is about 205.5754050253.

The spelling of 8687873 in words is "eight million, six hundred eighty-seven thousand, eight hundred seventy-three".