1008864287 has 4 divisors (see below), whose sum is σ = 1009139280. Its totient is φ = 1008589296.

The previous prime is 1008864281. The next prime is 1008864289. The reversal of 1008864287 is 7824688001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1008864287 - 2¹⁰ = 1008863263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008864281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131918 + ... + 139355.

It is an arithmetic number, because the mean of its divisors is an integer number (252284820).

Almost surely, 2^1008864287 is an apocalyptic number.

1008864287 is a deficient number, since it is larger than the sum of its proper divisors (274993).

1008864287 is an equidigital number, since it uses as much as digits as its factorization.

1008864287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274992.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 1008864287 is about 31762.6240572154. The cubic root of 1008864287 is about 1002.9460744553.

The spelling of 1008864287 in words is "one billion, eight million, eight hundred sixty-four thousand, two hundred eighty-seven".