9977167 has 4 divisors (see below), whose sum is σ = 10089360. Its totient is φ = 9864976.

The previous prime is 9977141. The next prime is 9977183. The reversal of 9977167 is 7617799.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9977167 is a prime.

It is a super-2 number, since 2×9977167² = 199087722691778, which contains 22 as substring.

It is a Duffinian number.

9977167 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55963 + ... + 56140.

It is an arithmetic number, because the mean of its divisors is an integer number (2522340).

Almost surely, 2^9977167 is an apocalyptic number.

9977167 is a deficient number, since it is larger than the sum of its proper divisors (112193).

9977167 is a wasteful number, since it uses less digits than its factorization.

9977167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112192.

The product of its digits is 166698, while the sum is 46.

The square root of 9977167 is about 3158.6653827210. The cubic root of 9977167 is about 215.2793700197.

The spelling of 9977167 in words is "nine million, nine hundred seventy-seven thousand, one hundred sixty-seven".