8217196417 has 2 divisors, whose sum is σ = 8217196418. Its totient is φ = 8217196416.

The previous prime is 8217196411. The next prime is 8217196433. The reversal of 8217196417 is 7146917128.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6822099216 + 1395097201 = 82596^2 + 37351^2 .

It is a cyclic number.

It is not a de Polignac number, because 8217196417 - 2¹⁵ = 8217163649 is a prime.

It is not a weakly prime, because it can be changed into another prime (8217196411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108598208 + 4108598209.

It is an arithmetic number, because the mean of its divisors is an integer number (4108598209).

Almost surely, 2^8217196417 is an apocalyptic number.

It is an amenable number.

8217196417 is a deficient number, since it is larger than the sum of its proper divisors (1).

8217196417 is an equidigital number, since it uses as much as digits as its factorization.

8217196417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 46.

The square root of 8217196417 is about 90648.7529809429. The cubic root of 8217196417 is about 2017.9383285789.

The spelling of 8217196417 in words is "eight billion, two hundred seventeen million, one hundred ninety-six thousand, four hundred seventeen".