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8879 = 13683
BaseRepresentation
bin10001010101111
3110011212
42022233
5241004
6105035
734613
oct21257
913155
108879
116742
12517b
134070
143343
15296e
hex22af

8879 has 4 divisors (see below), whose sum is σ = 9576. Its totient is φ = 8184.

The previous prime is 8867. The next prime is 8887. The reversal of 8879 is 9788.

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

It is a cyclic number.

It is not a de Polignac number, because 8879 - 24 = 8863 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329 + ... + 354.

It is an arithmetic number, because the mean of its divisors is an integer number (2394).

28879 is an apocalyptic number.

8879 is a deficient number, since it is larger than the sum of its proper divisors (697).

8879 is a wasteful number, since it uses less digits than its factorization.

8879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its digits is 4032, while the sum is 32.

The square root of 8879 is about 94.2284458112. The cubic root of 8879 is about 20.7071987534.

Adding to 8879 its sum of digits (32), we get a triangular number (8911 = T133).

Subtracting 8879 from its reverse (9788), we obtain a palindrome (909).

The spelling of 8879 in words is "eight thousand, eight hundred seventy-nine".

Divisors: 1 13 683 8879