98558971 has 4 divisors (see below), whose sum is σ = 112638832. Its totient is φ = 84479112.

The previous prime is 98558893. The next prime is 98558989. The reversal of 98558971 is 17985589.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98558971 - 2¹³ = 98550779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98558771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7039920 + ... + 7039933.

It is an arithmetic number, because the mean of its divisors is an integer number (28159708).

Almost surely, 2^98558971 is an apocalyptic number.

98558971 is a deficient number, since it is larger than the sum of its proper divisors (14079861).

98558971 is a wasteful number, since it uses less digits than its factorization.

98558971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14079860.

The product of its digits is 907200, while the sum is 52.

The square root of 98558971 is about 9927.6870921680. The cubic root of 98558971 is about 461.9185325764.

The spelling of 98558971 in words is "ninety-eight million, five hundred fifty-eight thousand, nine hundred seventy-one".