8878989 has 32 divisors (see below), whose sum is σ = 14598144. Its totient is φ = 4688640.

The previous prime is 8878979. The next prime is 8878997. The reversal of 8878989 is 9898788.

It is not a de Polignac number, because 8878989 - 2⁴ = 8878973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8878949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14677 + ... + 15269.

It is an arithmetic number, because the mean of its divisors is an integer number (456192).

Almost surely, 2^8878989 is an apocalyptic number.

It is an amenable number.

8878989 is a deficient number, since it is larger than the sum of its proper divisors (5719155).

8878989 is a wasteful number, since it uses less digits than its factorization.

8878989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its digits is 2322432, while the sum is 57.

The square root of 8878989 is about 2979.7632456288. The cubic root of 8878989 is about 207.0719020212.

The spelling of 8878989 in words is "eight million, eight hundred seventy-eight thousand, nine hundred eighty-nine".