98261792617 has 2 divisors, whose sum is σ = 98261792618. Its totient is φ = 98261792616.

The previous prime is 98261792609. The next prime is 98261792621. The reversal of 98261792617 is 71629716289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96462421056 + 1799371561 = 310584^2 + 42419^2 .

It is a cyclic number.

It is not a de Polignac number, because 98261792617 - 2³ = 98261792609 is a prime.

It is not a weakly prime, because it can be changed into another prime (98261792627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49130896308 + 49130896309.

It is an arithmetic number, because the mean of its divisors is an integer number (49130896309).

Almost surely, 2^98261792617 is an apocalyptic number.

It is an amenable number.

98261792617 is a deficient number, since it is larger than the sum of its proper divisors (1).

98261792617 is an equidigital number, since it uses as much as digits as its factorization.

98261792617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 58.

The spelling of 98261792617 in words is "ninety-eight billion, two hundred sixty-one million, seven hundred ninety-two thousand, six hundred seventeen".