8387867 has 2 divisors, whose sum is σ = 8387868. Its totient is φ = 8387866.

The previous prime is 8387861. The next prime is 8387879. The reversal of 8387867 is 7687838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8387867 - 2⁸ = 8387611 is a prime.

It is not a weakly prime, because it can be changed into another prime (8387861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4193933 + 4193934.

It is an arithmetic number, because the mean of its divisors is an integer number (4193934).

Almost surely, 2^8387867 is an apocalyptic number.

8387867 is a deficient number, since it is larger than the sum of its proper divisors (1).

8387867 is an equidigital number, since it uses as much as digits as its factorization.

8387867 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 8387867 is about 2896.1814514978. The cubic root of 8387867 is about 203.1813516868.

The spelling of 8387867 in words is "eight million, three hundred eighty-seven thousand, eight hundred sixty-seven".