98742199 has 2 divisors, whose sum is σ = 98742200. Its totient is φ = 98742198.

The previous prime is 98742181. The next prime is 98742211. The reversal of 98742199 is 99124789.

It is a strong prime.

It is an emirp because it is prime and its reverse (99124789) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98742199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98742169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49371099 + 49371100.

It is an arithmetic number, because the mean of its divisors is an integer number (49371100).

Almost surely, 2^98742199 is an apocalyptic number.

98742199 is a deficient number, since it is larger than the sum of its proper divisors (1).

98742199 is an equidigital number, since it uses as much as digits as its factorization.

98742199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 49.

The square root of 98742199 is about 9936.9109385161. The cubic root of 98742199 is about 462.2046016300.

The spelling of 98742199 in words is "ninety-eight million, seven hundred forty-two thousand, one hundred ninety-nine".