8880009 has 4 divisors (see below), whose sum is σ = 11840016. Its totient is φ = 5920004.

The previous prime is 8880007. The next prime is 8880023. The reversal of 8880009 is 9000888.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8880009 - 2¹ = 8880007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8880007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479999 + ... + 1480004.

It is an arithmetic number, because the mean of its divisors is an integer number (2960004).

Almost surely, 2^8880009 is an apocalyptic number.

It is an amenable number.

8880009 is a deficient number, since it is larger than the sum of its proper divisors (2960007).

8880009 is a wasteful number, since it uses less digits than its factorization.

8880009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960006.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 8880009 is about 2979.9343952510. The cubic root of 8880009 is about 207.0798310490.

The spelling of 8880009 in words is "eight million, eight hundred eighty thousand, nine".