17216879 has 2 divisors, whose sum is σ = 17216880. Its totient is φ = 17216878.

The previous prime is 17216863. The next prime is 17216887. The reversal of 17216879 is 97861271.

It is a strong prime.

It is an emirp because it is prime and its reverse (97861271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17216879 - 2⁴ = 17216863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17216809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8608439 + 8608440.

It is an arithmetic number, because the mean of its divisors is an integer number (8608440).

Almost surely, 2^17216879 is an apocalyptic number.

17216879 is a deficient number, since it is larger than the sum of its proper divisors (1).

17216879 is an equidigital number, since it uses as much as digits as its factorization.

17216879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 17216879 is about 4149.3227158176. The cubic root of 17216879 is about 258.2169868963.

The spelling of 17216879 in words is "seventeen million, two hundred sixteen thousand, eight hundred seventy-nine".