99794993960197 has 2 divisors, whose sum is σ = 99794993960198. Its totient is φ = 99794993960196.

The previous prime is 99794993960191. The next prime is 99794993960257. The reversal of 99794993960197 is 79106939949799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91337128246116 + 8457865714081 = 9557046^2 + 2908241^2 .

It is an emirp because it is prime and its reverse (79106939949799) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99794993960197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99794993960191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49897496980098 + 49897496980099.

It is an arithmetic number, because the mean of its divisors is an integer number (49897496980099).

Almost surely, 2^{99794993960197} is an apocalyptic number.

It is an amenable number.

99794993960197 is a deficient number, since it is larger than the sum of its proper divisors (1).

99794993960197 is an equidigital number, since it uses as much as digits as its factorization.

99794993960197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16874314632, while the sum is 91.

The spelling of 99794993960197 in words is "ninety-nine trillion, seven hundred ninety-four billion, nine hundred ninety-three million, nine hundred sixty thousand, one hundred ninety-seven".