9668577939 has 16 divisors (see below), whose sum is σ = 12983016960. Its totient is φ = 6400086560.

The previous prime is 9668577901. The next prime is 9668577949. The reversal of 9668577939 is 9397758669.

It is a cyclic number.

It is not a de Polignac number, because 9668577939 - 2⁸ = 9668577683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9668577949) 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 15 ways as a sum of consecutive naturals, for example, 229369 + ... + 268229.

It is an arithmetic number, because the mean of its divisors is an integer number (811438560).

Almost surely, 2^9668577939 is an apocalyptic number.

9668577939 is a deficient number, since it is larger than the sum of its proper divisors (3314439021).

9668577939 is a wasteful number, since it uses less digits than its factorization.

9668577939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39450.

The product of its digits is 154314720, while the sum is 69.

The square root of 9668577939 is about 98328.9272747344. The cubic root of 9668577939 is about 2130.3658947346.

The spelling of 9668577939 in words is "nine billion, six hundred sixty-eight million, five hundred seventy-seven thousand, nine hundred thirty-nine".