9975566047 has 2 divisors, whose sum is σ = 9975566048. Its totient is φ = 9975566046.

The previous prime is 9975565993. The next prime is 9975566053. The reversal of 9975566047 is 7406655799.

9975566047 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-9975566047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9975565982 and 9975566000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9975566057) 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, 4987783023 + 4987783024.

It is an arithmetic number, because the mean of its divisors is an integer number (4987783024).

Almost surely, 2^9975566047 is an apocalyptic number.

9975566047 is a deficient number, since it is larger than the sum of its proper divisors (1).

9975566047 is an equidigital number, since it uses as much as digits as its factorization.

9975566047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14288400, while the sum is 58.

The square root of 9975566047 is about 99877.7555164312. The cubic root of 9975566047 is about 2152.6785470719.

The spelling of 9975566047 in words is "nine billion, nine hundred seventy-five million, five hundred sixty-six thousand, forty-seven".