8489047287 has 32 divisors (see below), whose sum is σ = 13380620800. Its totient is φ = 4784391360.

The previous prime is 8489047279. The next prime is 8489047309. The reversal of 8489047287 is 7827409848.

It is not a de Polignac number, because 8489047287 - 2³ = 8489047279 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 (8489047387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18612 + ... + 131622.

It is an arithmetic number, because the mean of its divisors is an integer number (418144400).

Almost surely, 2^8489047287 is an apocalyptic number.

8489047287 is a deficient number, since it is larger than the sum of its proper divisors (4891573513).

8489047287 is a wasteful number, since it uses less digits than its factorization.

8489047287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113108 (or 113094 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 57.

The square root of 8489047287 is about 92136.0259996056. The cubic root of 8489047287 is about 2039.9506016970.

The spelling of 8489047287 in words is "eight billion, four hundred eighty-nine million, forty-seven thousand, two hundred eighty-seven".