98117009 has 4 divisors (see below), whose sum is σ = 98704704. Its totient is φ = 97529316.

The previous prime is 98117003. The next prime is 98117017. The reversal of 98117009 is 90071189.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 98117009 - 2²⁴ = 81339793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98117009.

It is not an unprimeable number, because it can be changed into a prime (98117003) 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 in 3 ways as a sum of consecutive naturals, for example, 293597 + ... + 293930.

It is an arithmetic number, because the mean of its divisors is an integer number (24676176).

Almost surely, 2^98117009 is an apocalyptic number.

It is an amenable number.

98117009 is a deficient number, since it is larger than the sum of its proper divisors (587695).

98117009 is a wasteful number, since it uses less digits than its factorization.

98117009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587694.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 98117009 is about 9905.4030205742. The cubic root of 98117009 is about 461.2270468867.

The spelling of 98117009 in words is "ninety-eight million, one hundred seventeen thousand, nine".