98050091 has 2 divisors, whose sum is σ = 98050092. Its totient is φ = 98050090.

The previous prime is 98050087. The next prime is 98050097. The reversal of 98050091 is 19005089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98050091 - 2² = 98050087 is a prime.

It is a super-2 number, since 2×98050091² = 19227640690216562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98050097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49025045 + 49025046.

It is an arithmetic number, because the mean of its divisors is an integer number (49025046).

Almost surely, 2^98050091 is an apocalyptic number.

98050091 is a deficient number, since it is larger than the sum of its proper divisors (1).

98050091 is an equidigital number, since it uses as much as digits as its factorization.

98050091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 98050091 is about 9902.0245909612. The cubic root of 98050091 is about 461.1221673107.

The spelling of 98050091 in words is "ninety-eight million, fifty thousand, ninety-one".