9996757777 has 4 divisors (see below), whose sum is σ = 10229240560. Its totient is φ = 9764274996.

The previous prime is 9996757759. The next prime is 9996757817. The reversal of 9996757777 is 7777576999.

9996757777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9996757777 - 2²⁷ = 9862540049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9996757577) 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, 116241327 + ... + 116241412.

It is an arithmetic number, because the mean of its divisors is an integer number (2557310140).

Almost surely, 2^9996757777 is an apocalyptic number.

It is an amenable number.

9996757777 is a deficient number, since it is larger than the sum of its proper divisors (232482783).

9996757777 is a wasteful number, since it uses less digits than its factorization.

9996757777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232482782.

The product of its digits is 367569090, while the sum is 73.

The square root of 9996757777 is about 99983.7875707857. The cubic root of 9996757777 is about 2154.2018262734.

The spelling of 9996757777 in words is "nine billion, nine hundred ninety-six million, seven hundred fifty-seven thousand, seven hundred seventy-seven".