989471586560 has 36 divisors (see below), whose sum is σ = 2370093662748. Its totient is φ = 395788634112.

The previous prime is 989471586557. The next prime is 989471586599. The reversal of 989471586560 is 65685174989.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 421751531776 + 567720054784 = 649424^2 + 753472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386511059 + ... + 386513618.

Almost surely, 2^989471586560 is an apocalyptic number.

It is an amenable number.

989471586560 is an abundant number, since it is smaller than the sum of its proper divisors (1380622076188).

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

989471586560 is an equidigital number, since it uses as much as digits as its factorization.

989471586560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773024698 (or 773024684 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 68.

The spelling of 989471586560 in words is "nine hundred eighty-nine billion, four hundred seventy-one million, five hundred eighty-six thousand, five hundred sixty".