98844644889 has 12 divisors (see below), whose sum is σ = 150290103600. Its totient is φ = 62428196664.

The previous prime is 98844644881. The next prime is 98844644903.

98844644889 is a `hidden beast` number, since 9 + 8 + 84 + 4 + 64 + 488 + 9 = 666.

98844644889 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98844644889 - 2³ = 98844644881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98844644881) 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 11 ways as a sum of consecutive naturals, for example, 289019259 + ... + 289019600.

It is an arithmetic number, because the mean of its divisors is an integer number (12524175300).

Almost surely, 2^98844644889 is an apocalyptic number.

It is an amenable number.

98844644889 is a deficient number, since it is larger than the sum of its proper divisors (51445458711).

98844644889 is a wasteful number, since it uses less digits than its factorization.

98844644889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578038884 (or 578038881 counting only the distinct ones).

The product of its digits is 509607936, while the sum is 72.

The spelling of 98844644889 in words is "ninety-eight billion, eight hundred forty-four million, six hundred forty-four thousand, eight hundred eighty-nine".