9977586432 has 216 divisors, whose sum is σ = 30730150080. Its totient is φ = 2863872000.

The previous prime is 9977586371. The next prime is 9977586469. The reversal of 9977586432 is 2346857799.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1762807 + ... + 1768457.

Almost surely, 2^9977586432 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 9977586432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15365075040).

9977586432 is an abundant number, since it is smaller than the sum of its proper divisors (20752563648).

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

9977586432 is a wasteful number, since it uses less digits than its factorization.

9977586432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711 (or 5686 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The square root of 9977586432 is about 99887.8692935233. The cubic root of 9977586432 is about 2152.8238670079.

The spelling of 9977586432 in words is "nine billion, nine hundred seventy-seven million, five hundred eighty-six thousand, four hundred thirty-two".