9688888861 has 8 divisors (see below), whose sum is σ = 10199950880. Its totient is φ = 9177938928.

The previous prime is 9688888843. The next prime is 9688888907. The reversal of 9688888861 is 1688888869.

9688888861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9688888861 - 2⁷ = 9688888733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9688888061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195010 + ... + 239596.

It is an arithmetic number, because the mean of its divisors is an integer number (1274993860).

Almost surely, 2^9688888861 is an apocalyptic number.

It is an amenable number.

9688888861 is a deficient number, since it is larger than the sum of its proper divisors (511062019).

9688888861 is a wasteful number, since it uses less digits than its factorization.

9688888861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56043.

The product of its digits is 84934656, while the sum is 70.

The square root of 9688888861 is about 98432.1535932238. The cubic root of 9688888861 is about 2131.8566148802.

The spelling of 9688888861 in words is "nine billion, six hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred sixty-one".