8668287 has 6 divisors (see below), whose sum is σ = 12520872. Its totient is φ = 5778852.

The previous prime is 8668279. The next prime is 8668301. The reversal of 8668287 is 7828668.

It is not a de Polignac number, because 8668287 - 2³ = 8668279 is a prime.

It is a super-3 number, since 3×8668287³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 481563 + ... + 481580.

It is an arithmetic number, because the mean of its divisors is an integer number (2086812).

Almost surely, 2^8668287 is an apocalyptic number.

8668287 is a deficient number, since it is larger than the sum of its proper divisors (3852585).

8668287 is a wasteful number, since it uses less digits than its factorization.

8668287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963149 (or 963146 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 8668287 is about 2944.1954758473. The cubic root of 8668287 is about 205.4208052595.

The spelling of 8668287 in words is "eight million, six hundred sixty-eight thousand, two hundred eighty-seven".