879109 has 16 divisors (see below), whose sum is σ = 1123200. Its totient is φ = 682080.

The previous prime is 879103. The next prime is 879113. The reversal of 879109 is 901978.

It is not a de Polignac number, because 879109 - 2⁹ = 878597 is a prime.

It is a Duffinian number.

879109 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3657 + ... + 3889.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2⁸⁷⁹¹⁰⁹ is an apocalyptic number.

It is an amenable number.

879109 is a deficient number, since it is larger than the sum of its proper divisors (244091).

879109 is a wasteful number, since it uses less digits than its factorization.

879109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 879109 is about 937.6081270979. The cubic root of 879109 is about 95.7960441356.

The spelling of 879109 in words is "eight hundred seventy-nine thousand, one hundred nine".