9996757818 has 16 divisors (see below), whose sum is σ = 20069539776. Its totient is φ = 3319581920.

The previous prime is 9996757817. The next prime is 9996757853. The reversal of 9996757818 is 8187576999.

It is a super-2 number, since 2×9996757818² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9996757817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3165963 + ... + 3169118.

It is an arithmetic number, because the mean of its divisors is an integer number (1254346236).

Almost surely, 2^9996757818 is an apocalyptic number.

9996757818 is an abundant number, since it is smaller than the sum of its proper divisors (10072781958).

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

9996757818 is a wasteful number, since it uses less digits than its factorization.

9996757818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335349.

The product of its digits is 68584320, while the sum is 69.

The square root of 9996757818 is about 99983.7877758189. The cubic root of 9996757818 is about 2154.2018292184.

The spelling of 9996757818 in words is "nine billion, nine hundred ninety-six million, seven hundred fifty-seven thousand, eight hundred eighteen".