98715709 has 2 divisors, whose sum is σ = 98715710. Its totient is φ = 98715708.

The previous prime is 98715707. The next prime is 98715713. The reversal of 98715709 is 90751789.

98715709 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78375609 + 20340100 = 8853^2 + 4510^2 .

It is a cyclic number.

It is not a de Polignac number, because 98715709 - 2¹ = 98715707 is a prime.

Together with 98715707, 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 (98715707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49357854 + 49357855.

It is an arithmetic number, because the mean of its divisors is an integer number (49357855).

Almost surely, 2^98715709 is an apocalyptic number.

It is an amenable number.

98715709 is a deficient number, since it is larger than the sum of its proper divisors (1).

98715709 is an equidigital number, since it uses as much as digits as its factorization.

98715709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 98715709 is about 9935.5779399087. The cubic root of 98715709 is about 462.1632653858.

The spelling of 98715709 in words is "ninety-eight million, seven hundred fifteen thousand, seven hundred nine".