7944756223 has 2 divisors, whose sum is σ = 7944756224. Its totient is φ = 7944756222.

The previous prime is 7944756199. The next prime is 7944756257. The reversal of 7944756223 is 3226574497.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7944756223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7944756283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3972378111 + 3972378112.

It is an arithmetic number, because the mean of its divisors is an integer number (3972378112).

Almost surely, 2^7944756223 is an apocalyptic number.

7944756223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7944756223 is an equidigital number, since it uses as much as digits as its factorization.

7944756223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 49.

The square root of 7944756223 is about 89133.3620088460. The cubic root of 7944756223 is about 1995.3857142875.

The spelling of 7944756223 in words is "seven billion, nine hundred forty-four million, seven hundred fifty-six thousand, two hundred twenty-three".