8117118 has 32 divisors (see below), whose sum is σ = 18155520. Its totient is φ = 2688120.

The previous prime is 8117111. The next prime is 8117119.

8117118 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 8117091 and 8117100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8117111) 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, 9921 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (567360).

Almost surely, 2^8117118 is an apocalyptic number.

8117118 is an abundant number, since it is smaller than the sum of its proper divisors (10038402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8117118 is a wasteful number, since it uses less digits than its factorization.

8117118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 983 counting only the distinct ones).

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

The square root of 8117118 is about 2849.0556330125. The cubic root of 8117118 is about 200.9712589781.

The spelling of 8117118 in words is "eight million, one hundred seventeen thousand, one hundred eighteen".