8789999878 has 16 divisors (see below), whose sum is σ = 14689672704. Its totient is φ = 3910444360.

The previous prime is 8789999863. The next prime is 8789999951.

8789999878 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4249450 + ... + 4251517.

It is an arithmetic number, because the mean of its divisors is an integer number (918104544).

Almost surely, 2^8789999878 is an apocalyptic number.

8789999878 is a deficient number, since it is larger than the sum of its proper divisors (5899672826).

8789999878 is a wasteful number, since it uses less digits than its factorization.

8789999878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501027.

The product of its digits is 1316818944, while the sum is 82.

The square root of 8789999878 is about 93754.9992160418. Note that the first 3 decimals coincide. The cubic root of 8789999878 is about 2063.7778945634. Note that the first 3 decimals are identical.

The spelling of 8789999878 in words is "eight billion, seven hundred eighty-nine million, nine hundred ninety-nine thousand, eight hundred seventy-eight".