97468861817 has 2 divisors, whose sum is σ = 97468861818. Its totient is φ = 97468861816.

The previous prime is 97468861783. The next prime is 97468861849. The reversal of 97468861817 is 71816886479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86657229376 + 10811632441 = 294376^2 + 103979^2 .

It is a cyclic number.

It is not a de Polignac number, because 97468861817 - 2¹⁰ = 97468860793 is a prime.

It is not a weakly prime, because it can be changed into another prime (97468861877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48734430908 + 48734430909.

It is an arithmetic number, because the mean of its divisors is an integer number (48734430909).

Almost surely, 2^97468861817 is an apocalyptic number.

It is an amenable number.

97468861817 is a deficient number, since it is larger than the sum of its proper divisors (1).

97468861817 is an equidigital number, since it uses as much as digits as its factorization.

97468861817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 65.

The spelling of 97468861817 in words is "ninety-seven billion, four hundred sixty-eight million, eight hundred sixty-one thousand, eight hundred seventeen".