8165879 has 2 divisors, whose sum is σ = 8165880. Its totient is φ = 8165878.

The previous prime is 8165873. The next prime is 8165881. The reversal of 8165879 is 9785618.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8165879 - 2¹⁶ = 8100343 is a prime.

Together with 8165881, 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 (8165873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082939 + 4082940.

It is an arithmetic number, because the mean of its divisors is an integer number (4082940).

Almost surely, 2^8165879 is an apocalyptic number.

8165879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8165879 is an equidigital number, since it uses as much as digits as its factorization.

8165879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 44.

The square root of 8165879 is about 2857.6002169653. The cubic root of 8165879 is about 201.3728794468.

The spelling of 8165879 in words is "eight million, one hundred sixty-five thousand, eight hundred seventy-nine".