611879 has 2 divisors, whose sum is σ = 611880. Its totient is φ = 611878.

The previous prime is 611873. The next prime is 611887. The reversal of 611879 is 978116.

611879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611879 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 (611873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305939 + 305940.

It is an arithmetic number, because the mean of its divisors is an integer number (305940).

2⁶¹¹⁸⁷⁹ is an apocalyptic number.

611879 is a deficient number, since it is larger than the sum of its proper divisors (1).

611879 is an equidigital number, since it uses as much as digits as its factorization.

611879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The square root of 611879 is about 782.2269491650. The cubic root of 611879 is about 84.8962517358.

The spelling of 611879 in words is "six hundred eleven thousand, eight hundred seventy-nine".