989416916877 has 8 divisors (see below), whose sum is σ = 1340849155360. Its totient is φ = 648797978160.

The previous prime is 989416916869. The next prime is 989416916881. The reversal of 989416916877 is 778619614989.

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

It is not a de Polignac number, because 989416916877 - 2³ = 989416916869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 989416916799 and 989416916808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989416916827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2703324727 + ... + 2703325092.

It is an arithmetic number, because the mean of its divisors is an integer number (167606144420).

Almost surely, 2^989416916877 is an apocalyptic number.

It is an amenable number.

989416916877 is a deficient number, since it is larger than the sum of its proper divisors (351432238483).

989416916877 is a wasteful number, since it uses less digits than its factorization.

989416916877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406649883.

The product of its digits is 329204736, while the sum is 75.

The spelling of 989416916877 in words is "nine hundred eighty-nine billion, four hundred sixteen million, nine hundred sixteen thousand, eight hundred seventy-seven".