97114917217 has 2 divisors, whose sum is σ = 97114917218. Its totient is φ = 97114917216.

The previous prime is 97114917209. The next prime is 97114917239. The reversal of 97114917217 is 71271941179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87285384481 + 9829532736 = 295441^2 + 99144^2 .

It is an emirp because it is prime and its reverse (71271941179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97114917217 - 2³ = 97114917209 is a prime.

It is not a weakly prime, because it can be changed into another prime (97114917817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48557458608 + 48557458609.

It is an arithmetic number, because the mean of its divisors is an integer number (48557458609).

Almost surely, 2^97114917217 is an apocalyptic number.

It is an amenable number.

97114917217 is a deficient number, since it is larger than the sum of its proper divisors (1).

97114917217 is an equidigital number, since it uses as much as digits as its factorization.

97114917217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 49.

The spelling of 97114917217 in words is "ninety-seven billion, one hundred fourteen million, nine hundred seventeen thousand, two hundred seventeen".