98506065085697 has 2 divisors, whose sum is σ = 98506065085698. Its totient is φ = 98506065085696.

The previous prime is 98506065085663. The next prime is 98506065085789. The reversal of 98506065085697 is 79658056060589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80731105532401 + 17774959553296 = 8985049^2 + 4216036^2 .

It is a cyclic number.

It is not a de Polignac number, because 98506065085697 - 2¹⁰ = 98506065084673 is a prime.

It is not a weakly prime, because it can be changed into another prime (98506065085297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49253032542848 + 49253032542849.

It is an arithmetic number, because the mean of its divisors is an integer number (49253032542849).

Almost surely, 2^{98506065085697} is an apocalyptic number.

It is an amenable number.

98506065085697 is a deficient number, since it is larger than the sum of its proper divisors (1).

98506065085697 is an equidigital number, since it uses as much as digits as its factorization.

98506065085697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776000, while the sum is 74.

The spelling of 98506065085697 in words is "ninety-eight trillion, five hundred six billion, sixty-five million, eighty-five thousand, six hundred ninety-seven".