989089559 has 8 divisors (see below), whose sum is σ = 1002423360. Its totient is φ = 975776256.

The previous prime is 989089531. The next prime is 989089561. The reversal of 989089559 is 955980989.

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

It is a cyclic number.

It is not a de Polignac number, because 989089559 - 2⁸ = 989089303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989089159) 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, 108839 + ... + 117575.

It is an arithmetic number, because the mean of its divisors is an integer number (125302920).

Almost surely, 2^989089559 is an apocalyptic number.

989089559 is a deficient number, since it is larger than the sum of its proper divisors (13333801).

989089559 is a wasteful number, since it uses less digits than its factorization.

989089559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10249.

The product of its (nonzero) digits is 10497600, while the sum is 62.

The square root of 989089559 is about 31449.7942600584. The cubic root of 989089559 is about 996.3498791619.

The spelling of 989089559 in words is "nine hundred eighty-nine million, eighty-nine thousand, five hundred fifty-nine".