8118831854 has 12 divisors (see below), whose sum is σ = 14166533304. Its totient is φ = 3479499324.

The previous prime is 8118831827. The next prime is 8118831857. The reversal of 8118831854 is 4581388118.

It is a junction number, because it is equal to n+sod(n) for n = 8118831799 and 8118831808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8118831857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41422514 + ... + 41422709.

It is an arithmetic number, because the mean of its divisors is an integer number (1180544442).

Almost surely, 2^8118831854 is an apocalyptic number.

8118831854 is a deficient number, since it is larger than the sum of its proper divisors (6047701450).

8118831854 is a wasteful number, since it uses less digits than its factorization.

8118831854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82845239 (or 82845232 counting only the distinct ones).

The product of its digits is 245760, while the sum is 47.

The square root of 8118831854 is about 90104.5606725875. The cubic root of 8118831854 is about 2009.8540238698.

The spelling of 8118831854 in words is "eight billion, one hundred eighteen million, eight hundred thirty-one thousand, eight hundred fifty-four".