211879 has 2 divisors, whose sum is σ = 211880. Its totient is φ = 211878.

The previous prime is 211877. The next prime is 211889. The reversal of 211879 is 978112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211879 - 2¹ = 211877 is a prime.

Together with 211877, it forms a pair of twin primes.

It is a Chen prime.

211879 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105939 + 105940.

It is an arithmetic number, because the mean of its divisors is an integer number (105940).

2²¹¹⁸⁷⁹ is an apocalyptic number.

211879 is a deficient number, since it is larger than the sum of its proper divisors (1).

211879 is an equidigital number, since it uses as much as digits as its factorization.

211879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 28.

The square root of 211879 is about 460.3031609711. The cubic root of 211879 is about 59.6159732272.

It can be divided in two parts, 2118 and 79, that added together give a cube (2197 = 13³).

The spelling of 211879 in words is "two hundred eleven thousand, eight hundred seventy-nine".