98588985181 has 2 divisors, whose sum is σ = 98588985182. Its totient is φ = 98588985180.

The previous prime is 98588985151. The next prime is 98588985193. The reversal of 98588985181 is 18158988589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55853759556 + 42735225625 = 236334^2 + 206725^2 .

It is a cyclic number.

It is not a de Polignac number, because 98588985181 - 2¹⁷ = 98588854109 is a prime.

It is a super-2 number, since 2×98588985181² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98588985181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98588985151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49294492590 + 49294492591.

It is an arithmetic number, because the mean of its divisors is an integer number (49294492591).

Almost surely, 2^98588985181 is an apocalyptic number.

It is an amenable number.

98588985181 is a deficient number, since it is larger than the sum of its proper divisors (1).

98588985181 is an equidigital number, since it uses as much as digits as its factorization.

98588985181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66355200, while the sum is 70.

The spelling of 98588985181 in words is "ninety-eight billion, five hundred eighty-eight million, nine hundred eighty-five thousand, one hundred eighty-one".