989484558785 has 32 divisors (see below), whose sum is σ = 1240116480000. Its totient is φ = 757084078080.

The previous prime is 989484558773. The next prime is 989484558851. The reversal of 989484558785 is 587855484989.

It is not a de Polignac number, because 989484558785 - 2³⁰ = 988410816961 is a prime.

It is a super-2 number, since 2×989484558785² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4488257 + ... + 4703553.

It is an arithmetic number, because the mean of its divisors is an integer number (38753640000).

Almost surely, 2^989484558785 is an apocalyptic number.

It is an amenable number.

989484558785 is a deficient number, since it is larger than the sum of its proper divisors (250631921215).

989484558785 is a wasteful number, since it uses less digits than its factorization.

989484558785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215681.

The product of its digits is 4644864000, while the sum is 80.

The spelling of 989484558785 in words is "nine hundred eighty-nine billion, four hundred eighty-four million, five hundred fifty-eight thousand, seven hundred eighty-five".