8789889878 has 96 divisors (see below), whose sum is σ = 17065810944. Its totient is φ = 3321648000.

The previous prime is 8789889853. The next prime is 8789889883.

It is a happy number.

8789889878 is nontrivially palindromic in base 10.

8789889878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 18821801 + ... + 18822267.

It is an arithmetic number, because the mean of its divisors is an integer number (177768864).

Almost surely, 2^8789889878 is an apocalyptic number.

8789889878 is a deficient number, since it is larger than the sum of its proper divisors (8275921066).

8789889878 is a wasteful number, since it uses less digits than its factorization.

8789889878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 799 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 80.

The square root of 8789889878 is about 93754.4125788221. The cubic root of 8789889878 is about 2063.7692856701.

The spelling of 8789889878 in words is "eight billion, seven hundred eighty-nine million, eight hundred eighty-nine thousand, eight hundred seventy-eight".