9885471876 has 288 divisors, whose sum is σ = 30683036160. Its totient is φ = 2743372800.

The previous prime is 9885471853. The next prime is 9885471877. The reversal of 9885471876 is 6781745889.

9885471876 is a `hidden beast` number, since 9 + 8 + 8 + 547 + 1 + 87 + 6 = 666.

It is a super-2 number, since 2×9885471876² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9885471877) 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 95 ways as a sum of consecutive naturals, for example, 36477621 + ... + 36477891.

It is an arithmetic number, because the mean of its divisors is an integer number (106538320).

Almost surely, 2^9885471876 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 9885471876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15341518080).

9885471876 is an abundant number, since it is smaller than the sum of its proper divisors (20797564284).

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

9885471876 is a wasteful number, since it uses less digits than its factorization.

9885471876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 457 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 63.

The square root of 9885471876 is about 99425.7103369144. The cubic root of 9885471876 is about 2146.1783109852.

The spelling of 9885471876 in words is "nine billion, eight hundred eighty-five million, four hundred seventy-one thousand, eight hundred seventy-six".