9768256889 has 2 divisors, whose sum is σ = 9768256890. Its totient is φ = 9768256888.

The previous prime is 9768256871. The next prime is 9768256907. The reversal of 9768256889 is 9886528679.

It is a balanced prime because it is at equal distance from previous prime (9768256871) and next prime (9768256907).

It can be written as a sum of positive squares in only one way, i.e., 9592243600 + 176013289 = 97940^2 + 13267^2 .

It is a cyclic number.

It is not a de Polignac number, because 9768256889 - 2¹⁶ = 9768191353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4884128444 + 4884128445.

It is an arithmetic number, because the mean of its divisors is an integer number (4884128445).

Almost surely, 2^9768256889 is an apocalyptic number.

It is an amenable number.

9768256889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9768256889 is an equidigital number, since it uses as much as digits as its factorization.

9768256889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 68.

The square root of 9768256889 is about 98834.4924052327. The cubic root of 9768256889 is about 2137.6619360187.

The spelling of 9768256889 in words is "nine billion, seven hundred sixty-eight million, two hundred fifty-six thousand, eight hundred eighty-nine".