9879661248 has 56 divisors (see below), whose sum is σ = 27677589552. Its totient is φ = 3099500544.

The previous prime is 9879661213. The next prime is 9879661271. The reversal of 9879661248 is 8421669789.

9879661248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9879661191 and 9879661200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510165 + ... + 1516692.

Almost surely, 2^9879661248 is an apocalyptic number.

It is an amenable number.

9879661248 is an abundant number, since it is smaller than the sum of its proper divisors (17797928304).

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

9879661248 is a wasteful number, since it uses less digits than its factorization.

9879661248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026889 (or 3026879 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The square root of 9879661248 is about 99396.4850887596. The cubic root of 9879661248 is about 2145.7577244877.

The spelling of 9879661248 in words is "nine billion, eight hundred seventy-nine million, six hundred sixty-one thousand, two hundred forty-eight".