887668 has 12 divisors (see below), whose sum is σ = 1560580. Its totient is φ = 441792.

The previous prime is 887659. The next prime is 887669. The reversal of 887668 is 866788.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44944 + 842724 = 212^2 + 918^2 .

Its product of digits (129024) is a multiple of the sum of its prime divisors (1024).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (887669) by changing a digit.

887668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 898 + ... + 1606.

2⁸⁸⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

887668 is a deficient number, since it is larger than the sum of its proper divisors (672912).

887668 is a wasteful number, since it uses less digits than its factorization.

887668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1024 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 887668 is about 942.1613449935. The cubic root of 887668 is about 96.1059305224.

The spelling of 887668 in words is "eight hundred eighty-seven thousand, six hundred sixty-eight".