9627750043897 has 2 divisors, whose sum is σ = 9627750043898. Its totient is φ = 9627750043896.

The previous prime is 9627750043843. The next prime is 9627750043907. The reversal of 9627750043897 is 7983400577269.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9625729631296 + 2020412601 = 3102536^2 + 44949^2 .

It is a cyclic number.

It is not a de Polignac number, because 9627750043897 - 2¹¹ = 9627750041849 is a prime.

It is not a weakly prime, because it can be changed into another prime (9627750043997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4813875021948 + 4813875021949.

It is an arithmetic number, because the mean of its divisors is an integer number (4813875021949).

Almost surely, 2^{9627750043897} is an apocalyptic number.

It is an amenable number.

9627750043897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9627750043897 is an equidigital number, since it uses as much as digits as its factorization.

9627750043897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160030080, while the sum is 67.

The spelling of 9627750043897 in words is "nine trillion, six hundred twenty-seven billion, seven hundred fifty million, forty-three thousand, eight hundred ninety-seven".