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16879 is a prime number
BaseRepresentation
bin100000111101111
3212011011
410013233
51020004
6210051
7100132
oct40757
925134
1016879
1111755
129927
1378b5
146219
155004
hex41ef

16879 has 2 divisors, whose sum is σ = 16880. Its totient is φ = 16878.

The previous prime is 16871. The next prime is 16883. The reversal of 16879 is 97861.

It is a strong prime.

It is an emirp because it is prime and its reverse (97861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16879 - 23 = 16871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16871) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8439 + 8440.

It is an arithmetic number, because the mean of its divisors is an integer number (8440).

16879 is a Friedman number, since it can be written as 9*8+7^(6-1), using all its digits and the basic arithmetic operations.

216879 is an apocalyptic number.

16879 is a deficient number, since it is larger than the sum of its proper divisors (1).

16879 is an equidigital number, since it uses as much as digits as its factorization.

16879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 16879 is about 129.9192056626. The cubic root of 16879 is about 25.6516656782.

The spelling of 16879 in words is "sixteen thousand, eight hundred seventy-nine".