879853 has 8 divisors (see below), whose sum is σ = 966168. Its totient is φ = 796224.

The previous prime is 879839. The next prime is 879859. The reversal of 879853 is 358978.

It can be written as a sum of positive squares in 4 ways, for example, as 128164 + 751689 = 358^2 + 867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 879853 - 2⁵ = 879821 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (120771).

2⁸⁷⁹⁸⁵³ is an apocalyptic number.

It is an amenable number.

879853 is a deficient number, since it is larger than the sum of its proper divisors (86315).

879853 is a wasteful number, since it uses less digits than its factorization.

879853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343.

The product of its digits is 60480, while the sum is 40.

The square root of 879853 is about 938.0047974291. The cubic root of 879853 is about 95.8230609447.

The spelling of 879853 in words is "eight hundred seventy-nine thousand, eight hundred fifty-three".