9027720047 has 2 divisors, whose sum is σ = 9027720048. Its totient is φ = 9027720046.

The previous prime is 9027720017. The next prime is 9027720049. The reversal of 9027720047 is 7400277209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9027720047 - 2¹⁶ = 9027654511 is a prime.

Together with 9027720049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9027720049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4513860023 + 4513860024.

It is an arithmetic number, because the mean of its divisors is an integer number (4513860024).

Almost surely, 2^9027720047 is an apocalyptic number.

9027720047 is a deficient number, since it is larger than the sum of its proper divisors (1).

9027720047 is an equidigital number, since it uses as much as digits as its factorization.

9027720047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 9027720047 is about 95014.3149583261. The cubic root of 9027720047 is about 2082.2171906335.

The spelling of 9027720047 in words is "nine billion, twenty-seven million, seven hundred twenty thousand, forty-seven".