8193127917 has 32 divisors (see below), whose sum is σ = 12627232128. Its totient is φ = 4680308736.

The previous prime is 8193127889. The next prime is 8193127927. The reversal of 8193127917 is 7197213918.

It is not a de Polignac number, because 8193127917 - 2²⁰ = 8192079341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193127927) 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 31 ways as a sum of consecutive naturals, for example, 36243 + ... + 133040.

It is an arithmetic number, because the mean of its divisors is an integer number (394601004).

Almost surely, 2^8193127917 is an apocalyptic number.

It is an amenable number.

8193127917 is a deficient number, since it is larger than the sum of its proper divisors (4434104211).

8193127917 is a wasteful number, since it uses less digits than its factorization.

8193127917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169389.

The product of its digits is 190512, while the sum is 48.

The square root of 8193127917 is about 90515.8986974112. The cubic root of 8193127917 is about 2015.9661942299.

The spelling of 8193127917 in words is "eight billion, one hundred ninety-three million, one hundred twenty-seven thousand, nine hundred seventeen".