98555173 has 2 divisors, whose sum is σ = 98555174. Its totient is φ = 98555172.

The previous prime is 98555141. The next prime is 98555189. The reversal of 98555173 is 37155589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68939809 + 29615364 = 8303^2 + 5442^2 .

It is an emirp because it is prime and its reverse (37155589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98555173 - 2⁵ = 98555141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98555123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49277586 + 49277587.

It is an arithmetic number, because the mean of its divisors is an integer number (49277587).

Almost surely, 2^98555173 is an apocalyptic number.

It is an amenable number.

98555173 is a deficient number, since it is larger than the sum of its proper divisors (1).

98555173 is an equidigital number, since it uses as much as digits as its factorization.

98555173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 43.

The square root of 98555173 is about 9927.4958071006. The cubic root of 98555173 is about 461.9125991097.

The spelling of 98555173 in words is "ninety-eight million, five hundred fifty-five thousand, one hundred seventy-three".