9979164177 has 8 divisors (see below), whose sum is σ = 13308000864. Its totient is φ = 6651551808.

The previous prime is 9979164149. The next prime is 9979164193. The reversal of 9979164177 is 7714619799.

9979164177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9979164177 - 2¹⁸ = 9978902033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9979164177.

It is not an unprimeable number, because it can be changed into a prime (9979164137) 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 7 ways as a sum of consecutive naturals, for example, 286888 + ... + 319785.

It is an arithmetic number, because the mean of its divisors is an integer number (1663500108).

Almost surely, 2^9979164177 is an apocalyptic number.

It is an amenable number.

9979164177 is a deficient number, since it is larger than the sum of its proper divisors (3328836687).

9979164177 is a wasteful number, since it uses less digits than its factorization.

9979164177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612159.

The product of its digits is 6001128, while the sum is 60.

The square root of 9979164177 is about 99895.7665619520. The cubic root of 9979164177 is about 2152.9373356006.

The spelling of 9979164177 in words is "nine billion, nine hundred seventy-nine million, one hundred sixty-four thousand, one hundred seventy-seven".