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879 = 3293
BaseRepresentation
bin1101101111
31012120
431233
512004
64023
72364
oct1557
91176
10879
1172a
12613
13528
1446b
153d9
hex36f

879 has 4 divisors (see below), whose sum is σ = 1176. Its totient is φ = 584.

The previous prime is 877. The next prime is 881. The reversal of 879 is 978.

Adding to 879 its sum of digits (24), we get a triangular number (903 = T42).

Subtracting 879 from its reverse (978), we obtain a palindrome (99).

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

It is an interprime number because it is at equal distance from previous prime (877) and next prime (881).

It is a cyclic number.

It is not a de Polignac number, because 879 - 21 = 877 is a prime.

It is a D-number.

It is a plaindrome in base 8, base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877) 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, 144 + ... + 149.

It is an arithmetic number, because the mean of its divisors is an integer number (294).

879 is a deficient number, since it is larger than the sum of its proper divisors (297).

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

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

The sum of its prime factors is 296.

The product of its digits is 504, while the sum is 24.

The square root of 879 is about 29.6479341607. The cubic root of 879 is about 9.5792084748.

The spelling of 879 in words is "eight hundred seventy-nine", and thus it is an aban number and an oban number.

Divisors: 1 3 293 879