9968786757 has 24 divisors (see below), whose sum is σ = 15250697280. Its totient is φ = 6253153920.

The previous prime is 9968786719. The next prime is 9968786771. The reversal of 9968786757 is 7576878699.

9968786757 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9968786757 - 2¹² = 9968782661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9968786797) 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 23 ways as a sum of consecutive naturals, for example, 721282 + ... + 734972.

It is an arithmetic number, because the mean of its divisors is an integer number (635445720).

Almost surely, 2^9968786757 is an apocalyptic number.

It is an amenable number.

9968786757 is a deficient number, since it is larger than the sum of its proper divisors (5281910523).

9968786757 is a wasteful number, since it uses less digits than its factorization.

9968786757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18473 (or 18470 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 72.

The square root of 9968786757 is about 99843.8118112485. The cubic root of 9968786757 is about 2152.1907906472.

The spelling of 9968786757 in words is "nine billion, nine hundred sixty-eight million, seven hundred eighty-six thousand, seven hundred fifty-seven".