97960565543 has 2 divisors, whose sum is σ = 97960565544. Its totient is φ = 97960565542.

The previous prime is 97960565459. The next prime is 97960565551. The reversal of 97960565543 is 34556506979.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97960565543 - 2¹⁶ = 97960500007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97960565243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48980282771 + 48980282772.

It is an arithmetic number, because the mean of its divisors is an integer number (48980282772).

Almost surely, 2^97960565543 is an apocalyptic number.

97960565543 is a deficient number, since it is larger than the sum of its proper divisors (1).

97960565543 is an equidigital number, since it uses as much as digits as its factorization.

97960565543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618000, while the sum is 59.

The spelling of 97960565543 in words is "ninety-seven billion, nine hundred sixty million, five hundred sixty-five thousand, five hundred forty-three".