98891019889 has 8 divisors (see below), whose sum is σ = 104777463168. Its totient is φ = 93012279360.

The previous prime is 98891019841. The next prime is 98891019911.

98891019889 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98891019889 - 2⁹ = 98891019377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98891019839) 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 7 ways as a sum of consecutive naturals, for example, 1899237 + ... + 1950610.

It is an arithmetic number, because the mean of its divisors is an integer number (13097182896).

Almost surely, 2^98891019889 is an apocalyptic number.

It is an amenable number.

98891019889 is a deficient number, since it is larger than the sum of its proper divisors (5886443279).

98891019889 is a wasteful number, since it uses less digits than its factorization.

98891019889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851375.

The product of its (nonzero) digits is 26873856, while the sum is 70.

The spelling of 98891019889 in words is "ninety-eight billion, eight hundred ninety-one million, nineteen thousand, eight hundred eighty-nine".