98697974717 has 2 divisors, whose sum is σ = 98697974718. Its totient is φ = 98697974716.

The previous prime is 98697974699. The next prime is 98697974719. The reversal of 98697974717 is 71747979689.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85571460676 + 13126514041 = 292526^2 + 114571^2 .

It is a cyclic number.

It is not a de Polignac number, because 98697974717 - 2¹⁸ = 98697712573 is a prime.

Together with 98697974719, 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 (98697974719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49348987358 + 49348987359.

It is an arithmetic number, because the mean of its divisors is an integer number (49348987359).

Almost surely, 2^98697974717 is an apocalyptic number.

It is an amenable number.

98697974717 is a deficient number, since it is larger than the sum of its proper divisors (1).

98697974717 is an equidigital number, since it uses as much as digits as its factorization.

98697974717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336063168, while the sum is 74.

The spelling of 98697974717 in words is "ninety-eight billion, six hundred ninety-seven million, nine hundred seventy-four thousand, seven hundred seventeen".