97062961817 has 2 divisors, whose sum is σ = 97062961818. Its totient is φ = 97062961816.

The previous prime is 97062961769. The next prime is 97062961819. The reversal of 97062961817 is 71816926079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64179128896 + 32883832921 = 253336^2 + 181339^2 .

It is an emirp because it is prime and its reverse (71816926079) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97062961817 is a prime.

Together with 97062961819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97062961819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48531480908 + 48531480909.

It is an arithmetic number, because the mean of its divisors is an integer number (48531480909).

Almost surely, 2^97062961817 is an apocalyptic number.

It is an amenable number.

97062961817 is a deficient number, since it is larger than the sum of its proper divisors (1).

97062961817 is an equidigital number, since it uses as much as digits as its factorization.

97062961817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 97062961817 in words is "ninety-seven billion, sixty-two million, nine hundred sixty-one thousand, eight hundred seventeen".