8556844818 has 16 divisors (see below), whose sum is σ = 17124629760. Its totient is φ = 2850458256.

The previous prime is 8556844817. The next prime is 8556844831. The reversal of 8556844818 is 8184486558.

It is a super-4 number, since 4×8556844818⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (8556844817) 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 7 ways as a sum of consecutive naturals, for example, 445653 + ... + 464456.

It is an arithmetic number, because the mean of its divisors is an integer number (1070289360).

Almost surely, 2^8556844818 is an apocalyptic number.

8556844818 is an abundant number, since it is smaller than the sum of its proper divisors (8567784942).

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

8556844818 is a wasteful number, since it uses less digits than its factorization.

8556844818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911681.

The product of its digits is 9830400, while the sum is 57.

The square root of 8556844818 is about 92503.2151765548. The cubic root of 8556844818 is about 2045.3668770661.

The spelling of 8556844818 in words is "eight billion, five hundred fifty-six million, eight hundred forty-four thousand, eight hundred eighteen".