98508502217 has 2 divisors, whose sum is σ = 98508502218. Its totient is φ = 98508502216.

The previous prime is 98508502207. The next prime is 98508502231. The reversal of 98508502217 is 71220580589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59800300681 + 38708201536 = 244541^2 + 196744^2 .

It is a cyclic number.

It is not a de Polignac number, because 98508502217 - 2¹⁶ = 98508436681 is a prime.

It is not a weakly prime, because it can be changed into another prime (98508502207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49254251108 + 49254251109.

It is an arithmetic number, because the mean of its divisors is an integer number (49254251109).

Almost surely, 2^98508502217 is an apocalyptic number.

It is an amenable number.

98508502217 is a deficient number, since it is larger than the sum of its proper divisors (1).

98508502217 is an equidigital number, since it uses as much as digits as its factorization.

98508502217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 98508502217 in words is "ninety-eight billion, five hundred eight million, five hundred two thousand, two hundred seventeen".