8793042218 has 8 divisors (see below), whose sum is σ = 13190663460. Its totient is φ = 4396154400.

The previous prime is 8793042217. The next prime is 8793042227. The reversal of 8793042218 is 8122403978.

It can be written as a sum of positive squares in 2 ways, for example, as 7953607489 + 839434729 = 89183^2 + 28973^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8793042217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152333 + ... + 201968.

Almost surely, 2^8793042218 is an apocalyptic number.

8793042218 is a deficient number, since it is larger than the sum of its proper divisors (4397621242).

8793042218 is a wasteful number, since it uses less digits than its factorization.

8793042218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366712.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 8793042218 is about 93771.2227605037. Note that the first 3 decimals coincide. The cubic root of 8793042218 is about 2064.0159677482.

The spelling of 8793042218 in words is "eight billion, seven hundred ninety-three million, forty-two thousand, two hundred eighteen".