8782336161 has 36 divisors (see below), whose sum is σ = 13715154180. Its totient is φ = 5411370240.

The previous prime is 8782336159. The next prime is 8782336181. The reversal of 8782336161 is 1616332878.

8782336161 is a `hidden beast` number, since 8 + 7 + 8 + 23 + 3 + 616 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1393902225 + 7388433936 = 37335^2 + 85956^2 .

It is not a de Polignac number, because 8782336161 - 2¹ = 8782336159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8782336111) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100245 + ... + 166173.

It is an arithmetic number, because the mean of its divisors is an integer number (380976505).

Almost surely, 2^8782336161 is an apocalyptic number.

It is an amenable number.

8782336161 is a deficient number, since it is larger than the sum of its proper divisors (4932818019).

8782336161 is a wasteful number, since it uses less digits than its factorization.

8782336161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66014 (or 65992 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8782336161 is about 93714.1193257451. The cubic root of 8782336161 is about 2063.1779397387.

The spelling of 8782336161 in words is "eight billion, seven hundred eighty-two million, three hundred thirty-six thousand, one hundred sixty-one".