8115669361 has 4 divisors (see below), whose sum is σ = 8268795252. Its totient is φ = 7962543472.

The previous prime is 8115669337. The next prime is 8115669403. The reversal of 8115669361 is 1639665118.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2366238736 + 5749430625 = 48644^2 + 75825^2 .

It is a cyclic number.

It is not a de Polignac number, because 8115669361 - 2¹⁷ = 8115538289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8115669061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76562866 + ... + 76562971.

It is an arithmetic number, because the mean of its divisors is an integer number (2067198813).

Almost surely, 2^8115669361 is an apocalyptic number.

It is an amenable number.

8115669361 is a deficient number, since it is larger than the sum of its proper divisors (153125891).

8115669361 is a wasteful number, since it uses less digits than its factorization.

8115669361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153125890.

The product of its digits is 233280, while the sum is 46.

The square root of 8115669361 is about 90087.0099459406. The cubic root of 8115669361 is about 2009.5930267679.

The spelling of 8115669361 in words is "eight billion, one hundred fifteen million, six hundred sixty-nine thousand, three hundred sixty-one".