98755989 has 4 divisors (see below), whose sum is σ = 131674656. Its totient is φ = 65837324.

The previous prime is 98755981. The next prime is 98755999. The reversal of 98755989 is 98955789.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98955789 = 3 ⋅32985263.

It is a cyclic number.

It is not a de Polignac number, because 98755989 - 2³ = 98755981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98755981) 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, 16459329 + ... + 16459334.

It is an arithmetic number, because the mean of its divisors is an integer number (32918664).

Almost surely, 2^98755989 is an apocalyptic number.

It is an amenable number.

98755989 is a deficient number, since it is larger than the sum of its proper divisors (32918667).

98755989 is a wasteful number, since it uses less digits than its factorization.

98755989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32918666.

The product of its digits is 8164800, while the sum is 60.

The square root of 98755989 is about 9937.6047919003. The cubic root of 98755989 is about 462.2261172698.

The spelling of 98755989 in words is "ninety-eight million, seven hundred fifty-five thousand, nine hundred eighty-nine".