9967568783 has 2 divisors, whose sum is σ = 9967568784. Its totient is φ = 9967568782.

The previous prime is 9967568759. The next prime is 9967568789. The reversal of 9967568783 is 3878657699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9967568783 - 2¹⁰ = 9967567759 is a prime.

It is a super-2 number, since 2×9967568783² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9967568789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4983784391 + 4983784392.

It is an arithmetic number, because the mean of its divisors is an integer number (4983784392).

Almost surely, 2^9967568783 is an apocalyptic number.

9967568783 is a deficient number, since it is larger than the sum of its proper divisors (1).

9967568783 is an equidigital number, since it uses as much as digits as its factorization.

9967568783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137168640, while the sum is 68.

The square root of 9967568783 is about 99837.7122283959. The cubic root of 9967568783 is about 2152.1031364102.

The spelling of 9967568783 in words is "nine billion, nine hundred sixty-seven million, five hundred sixty-eight thousand, seven hundred eighty-three".