8266112376217 has 2 divisors, whose sum is σ = 8266112376218. Its totient is φ = 8266112376216.

The previous prime is 8266112376149. The next prime is 8266112376239. The reversal of 8266112376217 is 7126732116628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8155502254656 + 110610121561 = 2855784^2 + 332581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8266112376217 is a prime.

It is a super-2 number, since 2×8266112376217² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8266112373217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4133056188108 + 4133056188109.

It is an arithmetic number, because the mean of its divisors is an integer number (4133056188109).

Almost surely, 2^{8266112376217} is an apocalyptic number.

It is an amenable number.

8266112376217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8266112376217 is an equidigital number, since it uses as much as digits as its factorization.

8266112376217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 52.

The spelling of 8266112376217 in words is "eight trillion, two hundred sixty-six billion, one hundred twelve million, three hundred seventy-six thousand, two hundred seventeen".