8947845822 has 16 divisors (see below), whose sum is σ = 18332172432. Its totient is φ = 2909868480.

The previous prime is 8947845799. The next prime is 8947845869. The reversal of 8947845822 is 2285487498.

8947845822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 18186433 + ... + 18186924.

It is an arithmetic number, because the mean of its divisors is an integer number (1145760777).

Almost surely, 2^8947845822 is an apocalyptic number.

8947845822 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8947845822 is an abundant number, since it is smaller than the sum of its proper divisors (9384326610).

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

8947845822 is a wasteful number, since it uses less digits than its factorization.

8947845822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36373403.

The product of its digits is 10321920, while the sum is 57.

The square root of 8947845822 is about 94593.0537724626. The cubic root of 8947845822 is about 2076.0580714634.

The spelling of 8947845822 in words is "eight billion, nine hundred forty-seven million, eight hundred forty-five thousand, eight hundred twenty-two".