8272597961 has 2 divisors, whose sum is σ = 8272597962. Its totient is φ = 8272597960.

The previous prime is 8272597897. The next prime is 8272598023. The reversal of 8272597961 is 1697952728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4677876025 + 3594721936 = 68395^2 + 59956^2 .

It is a cyclic number.

It is not a de Polignac number, because 8272597961 - 2⁶ = 8272597897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8272597897 and 8272597906.

It is not a weakly prime, because it can be changed into another prime (8272597261) 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, 4136298980 + 4136298981.

It is an arithmetic number, because the mean of its divisors is an integer number (4136298981).

Almost surely, 2^8272597961 is an apocalyptic number.

It is an amenable number.

8272597961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8272597961 is an equidigital number, since it uses as much as digits as its factorization.

8272597961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 56.

The square root of 8272597961 is about 90953.8232346502. The cubic root of 8272597961 is about 2022.4632533000.

The spelling of 8272597961 in words is "eight billion, two hundred seventy-two million, five hundred ninety-seven thousand, nine hundred sixty-one".