8957782165 has 16 divisors (see below), whose sum is σ = 11104505856. Its totient is φ = 6929798400.

The previous prime is 8957782159. The next prime is 8957782201. The reversal of 8957782165 is 5612877598.

8957782165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8957782165 - 2²⁵ = 8924227733 is a prime.

It is a super-2 number, since 2×8957782165² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 189724 + ... + 232186.

It is an arithmetic number, because the mean of its divisors is an integer number (694031616).

Almost surely, 2^8957782165 is an apocalyptic number.

It is an amenable number.

8957782165 is a deficient number, since it is larger than the sum of its proper divisors (2146723691).

8957782165 is a wasteful number, since it uses less digits than its factorization.

8957782165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43860.

The product of its digits is 8467200, while the sum is 58.

The square root of 8957782165 is about 94645.5607252659. The cubic root of 8957782165 is about 2076.8262561353.

The spelling of 8957782165 in words is "eight billion, nine hundred fifty-seven million, seven hundred eighty-two thousand, one hundred sixty-five".