989116326444 has 24 divisors (see below), whose sum is σ = 2308048798720. Its totient is φ = 329689627344.

The previous prime is 989116326427. The next prime is 989116326461. The reversal of 989116326444 is 444623611989.

It is an interprime number because it is at equal distance from previous prime (989116326427) and next prime (989116326461).

It is a super-2 number, since 2×989116326444² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714864 + ... + 2217879.

Almost surely, 2^989116326444 is an apocalyptic number.

It is an amenable number.

989116326444 is an abundant number, since it is smaller than the sum of its proper divisors (1318932472276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989116326444 is a wasteful number, since it uses less digits than its factorization.

989116326444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953709 (or 3953707 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The spelling of 989116326444 in words is "nine hundred eighty-nine billion, one hundred sixteen million, three hundred twenty-six thousand, four hundred forty-four".