9777097165 has 16 divisors (see below), whose sum is σ = 12801032640. Its totient is φ = 7109547520.

The previous prime is 9777097129. The next prime is 9777097181. The reversal of 9777097165 is 5617907779.

It is not a de Polignac number, because 9777097165 - 2¹¹ = 9777095117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682557 + ... + 696733.

It is an arithmetic number, because the mean of its divisors is an integer number (800064540).

Almost surely, 2^9777097165 is an apocalyptic number.

It is an amenable number.

9777097165 is a deficient number, since it is larger than the sum of its proper divisors (3023935475).

9777097165 is a wasteful number, since it uses less digits than its factorization.

9777097165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26732.

The product of its (nonzero) digits is 5834430, while the sum is 58.

The square root of 9777097165 is about 98879.2049169086. The cubic root of 9777097165 is about 2138.3066031903.

The spelling of 9777097165 in words is "nine billion, seven hundred seventy-seven million, ninety-seven thousand, one hundred sixty-five".