98812171 has 2 divisors, whose sum is σ = 98812172. Its totient is φ = 98812170.

The previous prime is 98812157. The next prime is 98812187. The reversal of 98812171 is 17121889.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98812171 - 2⁵ = 98812139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98812171.

It is not a weakly prime, because it can be changed into another prime (98812111) 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, 49406085 + 49406086.

It is an arithmetic number, because the mean of its divisors is an integer number (49406086).

Almost surely, 2^98812171 is an apocalyptic number.

98812171 is a deficient number, since it is larger than the sum of its proper divisors (1).

98812171 is an equidigital number, since it uses as much as digits as its factorization.

98812171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 37.

The square root of 98812171 is about 9940.4311274713. The cubic root of 98812171 is about 462.3137536924.

The spelling of 98812171 in words is "ninety-eight million, eight hundred twelve thousand, one hundred seventy-one".