8887665 has 16 divisors (see below), whose sum is σ = 14289408. Its totient is φ = 4717056.

The previous prime is 8887663. The next prime is 8887667. The reversal of 8887665 is 5667888.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8887663) and next prime (8887667).

It is not a de Polignac number, because 8887665 - 2¹ = 8887663 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2017 + ... + 4673.

It is an arithmetic number, because the mean of its divisors is an integer number (893088).

Almost surely, 2^8887665 is an apocalyptic number.

It is an amenable number.

8887665 is a deficient number, since it is larger than the sum of its proper divisors (5401743).

8887665 is a wasteful number, since it uses less digits than its factorization.

8887665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888.

The product of its digits is 645120, while the sum is 48.

The square root of 8887665 is about 2981.2187105276. The cubic root of 8887665 is about 207.1393260255.

The spelling of 8887665 in words is "eight million, eight hundred eighty-seven thousand, six hundred sixty-five".