6671879 has 2 divisors, whose sum is σ = 6671880. Its totient is φ = 6671878.

The previous prime is 6671839. The next prime is 6671881. The reversal of 6671879 is 9781766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6671879 - 2¹⁶ = 6606343 is a prime.

Together with 6671881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6671809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335939 + 3335940.

It is an arithmetic number, because the mean of its divisors is an integer number (3335940).

Almost surely, 2^6671879 is an apocalyptic number.

6671879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6671879 is an equidigital number, since it uses as much as digits as its factorization.

6671879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 44.

The square root of 6671879 is about 2582.9980642656. The cubic root of 6671879 is about 188.2562429331.

The spelling of 6671879 in words is "six million, six hundred seventy-one thousand, eight hundred seventy-nine".