8573987 has 2 divisors, whose sum is σ = 8573988. Its totient is φ = 8573986.

The previous prime is 8573953. The next prime is 8574019. The reversal of 8573987 is 7893758.

8573987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8573987 - 2²⁰ = 7525411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8570987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4286993 + 4286994.

It is an arithmetic number, because the mean of its divisors is an integer number (4286994).

Almost surely, 2^8573987 is an apocalyptic number.

8573987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8573987 is an equidigital number, since it uses as much as digits as its factorization.

8573987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 8573987 is about 2928.1371211062. The cubic root of 8573987 is about 204.6731814120.

The spelling of 8573987 in words is "eight million, five hundred seventy-three thousand, nine hundred eighty-seven".