989159080 has 96 divisors (see below), whose sum is σ = 2788196040. Its totient is φ = 313044480.

The previous prime is 989159077. The next prime is 989159081. The reversal of 989159080 is 80951989.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 671535396 + 317623684 = 25914^2 + 17822^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (989159081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6070 + ... + 44890.

Almost surely, 2^989159080 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 989159080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394098020).

989159080 is an abundant number, since it is smaller than the sum of its proper divisors (1799036960).

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

989159080 is a wasteful number, since it uses less digits than its factorization.

989159080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38859 (or 38848 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 49.

The square root of 989159080 is about 31450.8995101889. The cubic root of 989159080 is about 996.3732223858.

The spelling of 989159080 in words is "nine hundred eighty-nine million, one hundred fifty-nine thousand, eighty".