98868889 has 16 divisors (see below), whose sum is σ = 123503616. Its totient is φ = 77184000.

The previous prime is 98868877. The next prime is 98868901. The reversal of 98868889 is 98886889.

It is an interprime number because it is at equal distance from previous prime (98868877) and next prime (98868901).

It is a cyclic number.

It is not a de Polignac number, because 98868889 - 2⁵ = 98868857 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 98868889.

It is not an unprimeable number, because it can be changed into a prime (98868089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9712 + ... + 17089.

It is an arithmetic number, because the mean of its divisors is an integer number (7718976).

Almost surely, 2^98868889 is an apocalyptic number.

It is an amenable number.

98868889 is a deficient number, since it is larger than the sum of its proper divisors (24634727).

98868889 is a wasteful number, since it uses less digits than its factorization.

98868889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26856.

The product of its digits is 15925248, while the sum is 64.

The square root of 98868889 is about 9943.2836125698. The cubic root of 98868889 is about 462.4021925145.

The spelling of 98868889 in words is "ninety-eight million, eight hundred sixty-eight thousand, eight hundred eighty-nine".