8118117 has 16 divisors (see below), whose sum is σ = 13745280. Its totient is φ = 4638816.

The previous prime is 8118109. The next prime is 8118137. The reversal of 8118117 is 7118118.

It is not a de Polignac number, because 8118117 - 2³ = 8118109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8118107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21288 + ... + 21665.

It is an arithmetic number, because the mean of its divisors is an integer number (859080).

Almost surely, 2^8118117 is an apocalyptic number.

It is an amenable number.

8118117 is a deficient number, since it is larger than the sum of its proper divisors (5627163).

8118117 is a wasteful number, since it uses less digits than its factorization.

8118117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42969 (or 42963 counting only the distinct ones).

The product of its digits is 448, while the sum is 27.

The square root of 8118117 is about 2849.2309488702. The cubic root of 8118117 is about 200.9795033677.

Subtracting from 8118117 its reverse (7118118), we obtain a palindrome (999999).

The spelling of 8118117 in words is "eight million, one hundred eighteen thousand, one hundred seventeen".