97716193 has 2 divisors, whose sum is σ = 97716194. Its totient is φ = 97716192.

The previous prime is 97716191. The next prime is 97716233. The reversal of 97716193 is 39161779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95101504 + 2614689 = 9752^2 + 1617^2 .

It is an emirp because it is prime and its reverse (39161779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97716193 - 2¹ = 97716191 is a prime.

Together with 97716191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97716191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48858096 + 48858097.

It is an arithmetic number, because the mean of its divisors is an integer number (48858097).

Almost surely, 2^97716193 is an apocalyptic number.

It is an amenable number.

97716193 is a deficient number, since it is larger than the sum of its proper divisors (1).

97716193 is an equidigital number, since it uses as much as digits as its factorization.

97716193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 43.

The square root of 97716193 is about 9885.1501253142. The cubic root of 97716193 is about 460.5981396691.

The spelling of 97716193 in words is "ninety-seven million, seven hundred sixteen thousand, one hundred ninety-three".