9879167 has 4 divisors (see below), whose sum is σ = 10308720. Its totient is φ = 9449616.

The previous prime is 9879157. The next prime is 9879179. The reversal of 9879167 is 7619789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9879167 - 2⁴ = 9879151 is a prime.

It is a super-2 number, since 2×9879167² = 195195881227778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879157) 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 3 ways as a sum of consecutive naturals, for example, 214742 + ... + 214787.

It is an arithmetic number, because the mean of its divisors is an integer number (2577180).

Almost surely, 2^9879167 is an apocalyptic number.

9879167 is a deficient number, since it is larger than the sum of its proper divisors (429553).

9879167 is a wasteful number, since it uses less digits than its factorization.

9879167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429552.

The product of its digits is 190512, while the sum is 47.

The square root of 9879167 is about 3143.1142200054. The cubic root of 9879167 is about 214.5721942082.

The spelling of 9879167 in words is "nine million, eight hundred seventy-nine thousand, one hundred sixty-seven".