9988879277 has 16 divisors (see below), whose sum is σ = 11612039040. Its totient is φ = 8515480512.

The previous prime is 9988879267. The next prime is 9988879279. The reversal of 9988879277 is 7729788899.

9988879277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9988879277 - 2²² = 9984684973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988879279) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 567323 + ... + 584664.

It is an arithmetic number, because the mean of its divisors is an integer number (725752440).

Almost surely, 2^9988879277 is an apocalyptic number.

It is an amenable number.

9988879277 is a deficient number, since it is larger than the sum of its proper divisors (1623159763).

9988879277 is a wasteful number, since it uses less digits than its factorization.

9988879277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152052.

The product of its digits is 256048128, while the sum is 74.

The square root of 9988879277 is about 99944.3809175884. The cubic root of 9988879277 is about 2153.6357647575.

The spelling of 9988879277 in words is "nine billion, nine hundred eighty-eight million, eight hundred seventy-nine thousand, two hundred seventy-seven".