8947620218 has 8 divisors (see below), whose sum is σ = 14004970848. Its totient is φ = 4279296604.

The previous prime is 8947620211. The next prime is 8947620223. The reversal of 8947620218 is 8120267498.

It is a happy number.

8947620218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8947620211) 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 3 ways as a sum of consecutive naturals, for example, 97256696 + ... + 97256787.

It is an arithmetic number, because the mean of its divisors is an integer number (1750621356).

Almost surely, 2^8947620218 is an apocalyptic number.

8947620218 is a deficient number, since it is larger than the sum of its proper divisors (5057350630).

8947620218 is a wasteful number, since it uses less digits than its factorization.

8947620218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194513508.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 8947620218 is about 94591.8612672359. The cubic root of 8947620218 is about 2076.0406232808.

The spelling of 8947620218 in words is "eight billion, nine hundred forty-seven million, six hundred twenty thousand, two hundred eighteen".