9882115866 has 36 divisors (see below), whose sum is σ = 24906967722. Its totient is φ = 2823461424.

The previous prime is 9882115847. The next prime is 9882115879. The reversal of 9882115866 is 6685112889.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5712185241 + 4169930625 = 75579^2 + 64575^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5601225 + ... + 5602988.

Almost surely, 2^9882115866 is an apocalyptic number.

9882115866 is an abundant number, since it is smaller than the sum of its proper divisors (15024851856).

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

9882115866 is a wasteful number, since it uses less digits than its factorization.

9882115866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204235 (or 11204225 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 54.

The square root of 9882115866 is about 99408.8319315744. The cubic root of 9882115866 is about 2145.9354154450.

The spelling of 9882115866 in words is "nine billion, eight hundred eighty-two million, one hundred fifteen thousand, eight hundred sixty-six".