97993607559271 has 2 divisors, whose sum is σ = 97993607559272. Its totient is φ = 97993607559270.

The previous prime is 97993607559227. The next prime is 97993607559277. The reversal of 97993607559271 is 17295570639979.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97993607559271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97993607559191 and 97993607559200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97993607559277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48996803779635 + 48996803779636.

It is an arithmetic number, because the mean of its divisors is an integer number (48996803779636).

Almost surely, 2^{97993607559271} is an apocalyptic number.

97993607559271 is a deficient number, since it is larger than the sum of its proper divisors (1).

97993607559271 is an equidigital number, since it uses as much as digits as its factorization.

97993607559271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025380700, while the sum is 79.

The spelling of 97993607559271 in words is "ninety-seven trillion, nine hundred ninety-three billion, six hundred seven million, five hundred fifty-nine thousand, two hundred seventy-one".