98579717 has 2 divisors, whose sum is σ = 98579718. Its totient is φ = 98579716.

The previous prime is 98579687. The next prime is 98579743. The reversal of 98579717 is 71797589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60621796 + 37957921 = 7786^2 + 6161^2 .

It is an emirp because it is prime and its reverse (71797589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98579717 - 2⁶ = 98579653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98579317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49289858 + 49289859.

It is an arithmetic number, because the mean of its divisors is an integer number (49289859).

Almost surely, 2^98579717 is an apocalyptic number.

It is an amenable number.

98579717 is a deficient number, since it is larger than the sum of its proper divisors (1).

98579717 is an equidigital number, since it uses as much as digits as its factorization.

98579717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 53.

The square root of 98579717 is about 9928.7318928451. The cubic root of 98579717 is about 461.9509405500.

The spelling of 98579717 in words is "ninety-eight million, five hundred seventy-nine thousand, seven hundred seventeen".