9885469776 has 240 divisors, whose sum is σ = 31918385664. Its totient is φ = 2581203456.

The previous prime is 9885469771. The next prime is 9885469807. The reversal of 9885469776 is 6779645889.

It is a self number, because there is not a number n which added to its sum of digits gives 9885469776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9885469771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6075075 + ... + 6076701.

Almost surely, 2^9885469776 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 9885469776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15959192832).

9885469776 is an abundant number, since it is smaller than the sum of its proper divisors (22032915888).

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

9885469776 is a wasteful number, since it uses less digits than its factorization.

9885469776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1759 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 69.

The square root of 9885469776 is about 99425.6997762651. The cubic root of 9885469776 is about 2146.1781590122.

The spelling of 9885469776 in words is "nine billion, eight hundred eighty-five million, four hundred sixty-nine thousand, seven hundred seventy-six".