7984453218 has 16 divisors (see below), whose sum is σ = 18250178880. Its totient is φ = 2281272336.

The previous prime is 7984453171. The next prime is 7984453231. The reversal of 7984453218 is 8123544897.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95052973 + ... + 95053056.

It is an arithmetic number, because the mean of its divisors is an integer number (1140636180).

Almost surely, 2^7984453218 is an apocalyptic number.

7984453218 is an abundant number, since it is smaller than the sum of its proper divisors (10265725662).

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

7984453218 is a wasteful number, since it uses less digits than its factorization.

7984453218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190106041.

The product of its digits is 1935360, while the sum is 51.

The square root of 7984453218 is about 89355.7676817787. The cubic root of 7984453218 is about 1998.7035946815.

The spelling of 7984453218 in words is "seven billion, nine hundred eighty-four million, four hundred fifty-three thousand, two hundred eighteen".