98498775871 has 2 divisors, whose sum is σ = 98498775872. Its totient is φ = 98498775870.

The previous prime is 98498775839. The next prime is 98498775883. The reversal of 98498775871 is 17857789489.

It is a strong prime.

It is an emirp because it is prime and its reverse (17857789489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98498775871 - 2⁵ = 98498775839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98498775794 and 98498775803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98498778871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49249387935 + 49249387936.

It is an arithmetic number, because the mean of its divisors is an integer number (49249387936).

Almost surely, 2^98498775871 is an apocalyptic number.

98498775871 is a deficient number, since it is larger than the sum of its proper divisors (1).

98498775871 is an equidigital number, since it uses as much as digits as its factorization.

98498775871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 284497920, while the sum is 73.

The spelling of 98498775871 in words is "ninety-eight billion, four hundred ninety-eight million, seven hundred seventy-five thousand, eight hundred seventy-one".