8887666 has 8 divisors (see below), whose sum is σ = 13347180. Its totient is φ = 4438608.

The previous prime is 8887663. The next prime is 8887667. The reversal of 8887666 is 6667888.

It can be written as a sum of positive squares in 2 ways, for example, as 8874441 + 13225 = 2979^2 + 115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8887661) 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, 60 + ... + 4216.

Almost surely, 2^8887666 is an apocalyptic number.

8887666 is a deficient number, since it is larger than the sum of its proper divisors (4459514).

8887666 is a wasteful number, since it uses less digits than its factorization.

8887666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228.

The product of its digits is 774144, while the sum is 49.

The square root of 8887666 is about 2981.2188782443. The cubic root of 8887666 is about 207.1393337943.

The spelling of 8887666 in words is "eight million, eight hundred eighty-seven thousand, six hundred sixty-six".