877009 has 4 divisors (see below), whose sum is σ = 1002304. Its totient is φ = 751716.

The previous prime is 877003. The next prime is 877027. The reversal of 877009 is 900778.

877009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 877009 - 2⁹ = 876497 is a prime.

It is a Duffinian number.

877009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (877003) 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, 62637 + ... + 62650.

It is an arithmetic number, because the mean of its divisors is an integer number (250576).

2⁸⁷⁷⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

877009 is a deficient number, since it is larger than the sum of its proper divisors (125295).

877009 is a wasteful number, since it uses less digits than its factorization.

877009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125294.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 877009 is about 936.4875866769. The cubic root of 877009 is about 95.7197046864.

The spelling of 877009 in words is "eight hundred seventy-seven thousand, nine".