9885240647 has 2 divisors, whose sum is σ = 9885240648. Its totient is φ = 9885240646.

The previous prime is 9885240641. The next prime is 9885240709. The reversal of 9885240647 is 7460425889.

9885240647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9885240647 - 2²⁶ = 9818131783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9885240641) 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 as a sum of consecutive naturals, namely, 4942620323 + 4942620324.

It is an arithmetic number, because the mean of its divisors is an integer number (4942620324).

Almost surely, 2^9885240647 is an apocalyptic number.

9885240647 is a deficient number, since it is larger than the sum of its proper divisors (1).

9885240647 is an equidigital number, since it uses as much as digits as its factorization.

9885240647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The square root of 9885240647 is about 99424.5475071423. The cubic root of 9885240647 is about 2146.1615772524.

The spelling of 9885240647 in words is "nine billion, eight hundred eighty-five million, two hundred forty thousand, six hundred forty-seven".