98169899 has 2 divisors, whose sum is σ = 98169900. Its totient is φ = 98169898.

The previous prime is 98169893. The next prime is 98169961. The reversal of 98169899 is 99896189.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98169899 is a prime.

It is not a weakly prime, because it can be changed into another prime (98169893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49084949 + 49084950.

It is an arithmetic number, because the mean of its divisors is an integer number (49084950).

Almost surely, 2^98169899 is an apocalyptic number.

98169899 is a deficient number, since it is larger than the sum of its proper divisors (1).

98169899 is an equidigital number, since it uses as much as digits as its factorization.

98169899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 59.

The square root of 98169899 is about 9908.0724159647. The cubic root of 98169899 is about 461.3099068544.

The spelling of 98169899 in words is "ninety-eight million, one hundred sixty-nine thousand, eight hundred ninety-nine".