8166879 has 24 divisors (see below), whose sum is σ = 14076720. Its totient is φ = 4666032.

The previous prime is 8166853. The next prime is 8166887. The reversal of 8166879 is 9786618.

It is a happy number.

It is not a de Polignac number, because 8166879 - 2²¹ = 6069727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1764 + ... + 4409.

It is an arithmetic number, because the mean of its divisors is an integer number (586530).

Almost surely, 2^8166879 is an apocalyptic number.

8166879 is a deficient number, since it is larger than the sum of its proper divisors (5909841).

8166879 is a wasteful number, since it uses less digits than its factorization.

8166879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196 (or 6183 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 8166879 is about 2857.7751836000. The cubic root of 8166879 is about 201.3810992053.

It can be divided in two parts, 8166 and 879, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 8166879 in words is "eight million, one hundred sixty-six thousand, eight hundred seventy-nine".