878079 has 4 divisors (see below), whose sum is σ = 1170776. Its totient is φ = 585384.

The previous prime is 878077. The next prime is 878083. The reversal of 878079 is 970878.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 878079 - 2¹ = 878077 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878077) 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, 146344 + ... + 146349.

It is an arithmetic number, because the mean of its divisors is an integer number (292694).

2⁸⁷⁸⁰⁷⁹ is an apocalyptic number.

878079 is a deficient number, since it is larger than the sum of its proper divisors (292697).

878079 is a wasteful number, since it uses less digits than its factorization.

878079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292696.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 878079 is about 937.0586961338. The cubic root of 878079 is about 95.7586166624.

It can be divided in two parts, 8 and 78079, that added together give a palindrome (78087).

The spelling of 878079 in words is "eight hundred seventy-eight thousand, seventy-nine".