8272597897 has 2 divisors, whose sum is σ = 8272597898. Its totient is φ = 8272597896.

The previous prime is 8272597889. The next prime is 8272597961. The reversal of 8272597897 is 7987952728.

It is an a-pointer prime, because the next prime (8272597961) can be obtained adding 8272597897 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5869245321 + 2403352576 = 76611^2 + 49024^2 .

It is a cyclic number.

It is not a de Polignac number, because 8272597897 - 2³ = 8272597889 is a prime.

It is not a weakly prime, because it can be changed into another prime (8272597847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4136298948 + 4136298949.

It is an arithmetic number, because the mean of its divisors is an integer number (4136298949).

Almost surely, 2^8272597897 is an apocalyptic number.

It is an amenable number.

8272597897 is a deficient number, since it is larger than the sum of its proper divisors (1).

8272597897 is an equidigital number, since it uses as much as digits as its factorization.

8272597897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35562240, while the sum is 64.

The square root of 8272597897 is about 90953.8228828233. The cubic root of 8272597897 is about 2022.4632480845.

The spelling of 8272597897 in words is "eight billion, two hundred seventy-two million, five hundred ninety-seven thousand, eight hundred ninety-seven".