8117093009 has 4 divisors (see below), whose sum is σ = 8152539060. Its totient is φ = 8081646960.

The previous prime is 8117092933. The next prime is 8117093057. The reversal of 8117093009 is 9003907118.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9003907118 = 2 ⋅4501953559.

It can be written as a sum of positive squares in 2 ways, for example, as 6684697600 + 1432395409 = 81760^2 + 37847^2 .

It is a cyclic number.

It is not a de Polignac number, because 8117093009 - 2¹⁶ = 8117027473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8117093059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17722682 + ... + 17723139.

It is an arithmetic number, because the mean of its divisors is an integer number (2038134765).

Almost surely, 2^8117093009 is an apocalyptic number.

It is an amenable number.

8117093009 is a deficient number, since it is larger than the sum of its proper divisors (35446051).

8117093009 is a wasteful number, since it uses less digits than its factorization.

8117093009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35446050.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 8117093009 is about 90094.9111160003. The cubic root of 8117093009 is about 2009.7105272760.

The spelling of 8117093009 in words is "eight billion, one hundred seventeen million, ninety-three thousand, nine".