9788878 has 16 divisors (see below), whose sum is σ = 16360704. Its totient is φ = 4354360.

The previous prime is 9788827. The next prime is 9788879. The reversal of 9788878 is 8788879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9788879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700 + ... + 5767.

It is an arithmetic number, because the mean of its divisors is an integer number (1022544).

Almost surely, 2^9788878 is an apocalyptic number.

9788878 is a deficient number, since it is larger than the sum of its proper divisors (6571826).

9788878 is a wasteful number, since it uses less digits than its factorization.

9788878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9527.

The product of its digits is 1806336, while the sum is 55.

The square root of 9788878 is about 3128.7182679174. The cubic root of 9788878 is about 213.9165103612.

Subtracting from 9788878 its reverse (8788879), we obtain a palindrome (999999).

It can be divided in two parts, 9 and 788878, that added together give a palindrome (788887).

The spelling of 9788878 in words is "nine million, seven hundred eighty-eight thousand, eight hundred seventy-eight".