989485433076 has 96 divisors (see below), whose sum is σ = 2665578827520. Its totient is φ = 279824256000.

The previous prime is 989485433039. The next prime is 989485433087. The reversal of 989485433076 is 670334584989.

989485433076 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 989485432998 and 989485433016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30364920 + ... + 30397488.

It is an arithmetic number, because the mean of its divisors is an integer number (27766446120).

Almost surely, 2^989485433076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989485433076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332789413760).

989485433076 is an abundant number, since it is smaller than the sum of its proper divisors (1676093394444).

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

989485433076 is a wasteful number, since it uses less digits than its factorization.

989485433076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36265 (or 36263 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 989485433076 in words is "nine hundred eighty-nine billion, four hundred eighty-five million, four hundred thirty-three thousand, seventy-six".