98159959 has 4 divisors (see below), whose sum is σ = 98292816. Its totient is φ = 98027104.

The previous prime is 98159911. The next prime is 98159977. The reversal of 98159959 is 95995189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95995189 = 31 ⋅3096619.

It is a cyclic number.

It is not a de Polignac number, because 98159959 - 2⁹ = 98159447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98159459) 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 in 3 ways as a sum of consecutive naturals, for example, 65314 + ... + 66799.

It is an arithmetic number, because the mean of its divisors is an integer number (24573204).

Almost surely, 2^98159959 is an apocalyptic number.

98159959 is a deficient number, since it is larger than the sum of its proper divisors (132857).

98159959 is a wasteful number, since it uses less digits than its factorization.

98159959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132856.

The product of its digits is 1312200, while the sum is 55.

The square root of 98159959 is about 9907.5707920761. The cubic root of 98159959 is about 461.2943366531.

The spelling of 98159959 in words is "ninety-eight million, one hundred fifty-nine thousand, nine hundred fifty-nine".