8818945806 has 64 divisors (see below), whose sum is σ = 20498593536. Its totient is φ = 2499724800.

The previous prime is 8818945783. The next prime is 8818945873. The reversal of 8818945806 is 6085498188.

8818945806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 158776 + ... + 206996.

It is an arithmetic number, because the mean of its divisors is an integer number (320290524).

Almost surely, 2^8818945806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8818945806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10249296768).

8818945806 is an abundant number, since it is smaller than the sum of its proper divisors (11679647730).

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

8818945806 is a wasteful number, since it uses less digits than its factorization.

8818945806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48417.

The product of its (nonzero) digits is 4423680, while the sum is 57.

The square root of 8818945806 is about 93909.2423885956. The cubic root of 8818945806 is about 2066.0407885134.

The spelling of 8818945806 in words is "eight billion, eight hundred eighteen million, nine hundred forty-five thousand, eight hundred six".