98198279 has 2 divisors, whose sum is σ = 98198280. Its totient is φ = 98198278.

The previous prime is 98198203. The next prime is 98198281. The reversal of 98198279 is 97289189.

It is a strong prime.

It is an emirp because it is prime and its reverse (97289189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98198279 - 2¹² = 98194183 is a prime.

Together with 98198281, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98198279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98191279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49099139 + 49099140.

It is an arithmetic number, because the mean of its divisors is an integer number (49099140).

Almost surely, 2^98198279 is an apocalyptic number.

98198279 is a deficient number, since it is larger than the sum of its proper divisors (1).

98198279 is an equidigital number, since it uses as much as digits as its factorization.

98198279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 53.

The square root of 98198279 is about 9909.5044780251. The cubic root of 98198279 is about 461.3543560318.

The spelling of 98198279 in words is "ninety-eight million, one hundred ninety-eight thousand, two hundred seventy-nine".