7988534418 has 8 divisors (see below), whose sum is σ = 15977068848. Its totient is φ = 2662844804.

The previous prime is 7988534381. The next prime is 7988534443. The reversal of 7988534418 is 8144358897.

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

7988534418 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 665711196 + ... + 665711207.

It is an arithmetic number, because the mean of its divisors is an integer number (1997133606).

Almost surely, 2^7988534418 is an apocalyptic number.

7988534418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7988534418 is a wasteful number, since it uses less digits than its factorization.

7988534418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331422408.

The product of its digits is 7741440, while the sum is 57.

The square root of 7988534418 is about 89378.6015665942. The cubic root of 7988534418 is about 1999.0440780127.

The spelling of 7988534418 in words is "seven billion, nine hundred eighty-eight million, five hundred thirty-four thousand, four hundred eighteen".