9791279165 has 32 divisors (see below), whose sum is σ = 12379960320. Its totient is φ = 7424524800.

The previous prime is 9791279143. The next prime is 9791279171. The reversal of 9791279165 is 5619721979.

9791279165 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9791279165 - 2³² = 5496311869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9791279165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1877081 + ... + 1882289.

It is an arithmetic number, because the mean of its divisors is an integer number (386873760).

Almost surely, 2^9791279165 is an apocalyptic number.

It is an amenable number.

9791279165 is a deficient number, since it is larger than the sum of its proper divisors (2588681155).

9791279165 is a wasteful number, since it uses less digits than its factorization.

9791279165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493.

The product of its digits is 2143260, while the sum is 56.

The square root of 9791279165 is about 98950.8926943057. The cubic root of 9791279165 is about 2139.3399983056.

The spelling of 9791279165 in words is "nine billion, seven hundred ninety-one million, two hundred seventy-nine thousand, one hundred sixty-five".