Search a number
8885 = 51777

8885 has 4 divisors (see below), whose sum is σ = 10668. Its totient is φ = 7104.

The previous prime is 8867. The next prime is 8887. The reversal of 8885 is 5888.

8885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3844 + 5041 = 62^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 8885 - 26 = 8821 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 8885.

It is not an unprimeable number, because it can be changed into a prime (8887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (2667).

28885 is an apocalyptic number.

It is an amenable number.

8885 is a deficient number, since it is larger than the sum of its proper divisors (1783).

8885 is a wasteful number, since it uses less digits than its factorization.

8885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

The product of its digits is 2560, while the sum is 29.

The square root of 8885 is about 94.2602779542. The cubic root of 8885 is about 20.7118620119.

The spelling of 8885 in words is "eight thousand, eight hundred eighty-five".

Divisors: 1 5 1777 8885