98109967 has 2 divisors, whose sum is σ = 98109968. Its totient is φ = 98109966.

The previous prime is 98109959. The next prime is 98109983. The reversal of 98109967 is 76990189.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98109967 - 2³ = 98109959 is a prime.

It is a Chen prime.

It is equal to p_5658898 and since 98109967 and 5658898 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98109967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98109997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49054983 + 49054984.

It is an arithmetic number, because the mean of its divisors is an integer number (49054984).

Almost surely, 2^98109967 is an apocalyptic number.

98109967 is a deficient number, since it is larger than the sum of its proper divisors (1).

98109967 is an equidigital number, since it uses as much as digits as its factorization.

98109967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 98109967 is about 9905.0475516274. The cubic root of 98109967 is about 461.2160123114.

The spelling of 98109967 in words is "ninety-eight million, one hundred nine thousand, nine hundred sixty-seven".