97798196471 has 2 divisors, whose sum is σ = 97798196472. Its totient is φ = 97798196470.

The previous prime is 97798196449. The next prime is 97798196473. The reversal of 97798196471 is 17469189779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97798196471 - 2³⁰ = 96724454647 is a prime.

It is a super-3 number, since 3×97798196471³ (a number of 34 digits) contains 333 as substring.

Together with 97798196473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97798196473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48899098235 + 48899098236.

It is an arithmetic number, because the mean of its divisors is an integer number (48899098236).

Almost surely, 2^97798196471 is an apocalyptic number.

97798196471 is a deficient number, since it is larger than the sum of its proper divisors (1).

97798196471 is an equidigital number, since it uses as much as digits as its factorization.

97798196471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48009024, while the sum is 68.

The spelling of 97798196471 in words is "ninety-seven billion, seven hundred ninety-eight million, one hundred ninety-six thousand, four hundred seventy-one".