9968722783 has 2 divisors, whose sum is σ = 9968722784. Its totient is φ = 9968722782.

The previous prime is 9968722763. The next prime is 9968722811. The reversal of 9968722783 is 3872278699.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9968722783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9968722763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4984361391 + 4984361392.

It is an arithmetic number, because the mean of its divisors is an integer number (4984361392).

Almost surely, 2^9968722783 is an apocalyptic number.

9968722783 is a deficient number, since it is larger than the sum of its proper divisors (1).

9968722783 is an equidigital number, since it uses as much as digits as its factorization.

9968722783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 61.

The square root of 9968722783 is about 99843.4914403538. The cubic root of 9968722783 is about 2152.1861867921.

The spelling of 9968722783 in words is "nine billion, nine hundred sixty-eight million, seven hundred twenty-two thousand, seven hundred eighty-three".