9722087647 has 2 divisors, whose sum is σ = 9722087648. Its totient is φ = 9722087646.

The previous prime is 9722087621. The next prime is 9722087671. The reversal of 9722087647 is 7467802279.

9722087647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9722087647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9722087594 and 9722087603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9722787647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4861043823 + 4861043824.

It is an arithmetic number, because the mean of its divisors is an integer number (4861043824).

Almost surely, 2^9722087647 is an apocalyptic number.

9722087647 is a deficient number, since it is larger than the sum of its proper divisors (1).

9722087647 is an equidigital number, since it uses as much as digits as its factorization.

9722087647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 9722087647 is about 98600.6472950355. The cubic root of 9722087647 is about 2134.2887605970.

The spelling of 9722087647 in words is "nine billion, seven hundred twenty-two million, eighty-seven thousand, six hundred forty-seven".