9884679880 has 64 divisors (see below), whose sum is σ = 22412784240. Its totient is φ = 3923361792.

The previous prime is 9884679851. The next prime is 9884679881. The reversal of 9884679880 is 889764889.

It can be written as a sum of positive squares in 8 ways, for example, as 3085358116 + 6799321764 = 55546^2 + 82458^2 .

It is not an unprimeable number, because it can be changed into a prime (9884679881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3410592 + ... + 3413488.

Almost surely, 2^9884679880 is an apocalyptic number.

It is an amenable number.

9884679880 is an abundant number, since it is smaller than the sum of its proper divisors (12528104360).

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

9884679880 is a wasteful number, since it uses less digits than its factorization.

9884679880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 67.

The square root of 9884679880 is about 99421.7274040237. The cubic root of 9884679880 is about 2146.1209942125.

The spelling of 9884679880 in words is "nine billion, eight hundred eighty-four million, six hundred seventy-nine thousand, eight hundred eighty".