98811889 has 4 divisors (see below), whose sum is σ = 107794800. Its totient is φ = 89828980.

The previous prime is 98811877. The next prime is 98811901.

98811889 is nontrivially palindromic in base 10.

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 an interprime number because it is at equal distance from previous prime (98811877) and next prime (98811901).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98811889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98811809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4491439 + ... + 4491460.

It is an arithmetic number, because the mean of its divisors is an integer number (26948700).

Almost surely, 2^98811889 is an apocalyptic number.

It is an amenable number.

98811889 is a deficient number, since it is larger than the sum of its proper divisors (8982911).

98811889 is a wasteful number, since it uses less digits than its factorization.

98811889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8982910.

The product of its digits is 331776, while the sum is 52.

The square root of 98811889 is about 9940.4169429657. The cubic root of 98811889 is about 462.3133138930.

The spelling of 98811889 in words is "ninety-eight million, eight hundred eleven thousand, eight hundred eighty-nine".