8117484091 has 16 divisors (see below), whose sum is σ = 8301031200. Its totient is φ = 7936588800.

The previous prime is 8117484083. The next prime is 8117484103. The reversal of 8117484091 is 1904847118.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8117484091 - 2³ = 8117484083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8117484391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845816 + ... + 2848666.

It is an arithmetic number, because the mean of its divisors is an integer number (518814450).

Almost surely, 2^8117484091 is an apocalyptic number.

8117484091 is a deficient number, since it is larger than the sum of its proper divisors (183547109).

8117484091 is a wasteful number, since it uses less digits than its factorization.

8117484091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 8117484091 is about 90097.0814788137. The cubic root of 8117484091 is about 2009.7428027466.

The spelling of 8117484091 in words is "eight billion, one hundred seventeen million, four hundred eighty-four thousand, ninety-one".