8185117127 has 12 divisors (see below), whose sum is σ = 9038179464. Its totient is φ = 7351296720.

The previous prime is 8185117117. The next prime is 8185117133. The reversal of 8185117127 is 7217115818.

It is not a de Polignac number, because 8185117127 - 2²⁰ = 8184068551 is a prime.

It is a super-2 number, since 2×8185117127² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8185117117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21773 + ... + 129785.

It is an arithmetic number, because the mean of its divisors is an integer number (753181622).

Almost surely, 2^8185117127 is an apocalyptic number.

8185117127 is a deficient number, since it is larger than the sum of its proper divisors (853062337).

8185117127 is a wasteful number, since it uses less digits than its factorization.

8185117127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108190 (or 108107 counting only the distinct ones).

The product of its digits is 31360, while the sum is 41.

The square root of 8185117127 is about 90471.6371411505. The cubic root of 8185117127 is about 2015.3089463423.

The spelling of 8185117127 in words is "eight billion, one hundred eighty-five million, one hundred seventeen thousand, one hundred twenty-seven".