878065 has 8 divisors (see below), whose sum is σ = 1061568. Its totient is φ = 697200.

The previous prime is 878041. The next prime is 878077. The reversal of 878065 is 560878.

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

It is not a de Polignac number, because 878065 - 2⁷ = 877937 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 878065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174 + ... + 1336.

It is an arithmetic number, because the mean of its divisors is an integer number (132696).

2⁸⁷⁸⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

878065 is a deficient number, since it is larger than the sum of its proper divisors (183503).

878065 is a wasteful number, since it uses less digits than its factorization.

878065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 878065 is about 937.0512259210. The cubic root of 878065 is about 95.7581077378.

The spelling of 878065 in words is "eight hundred seventy-eight thousand, sixty-five".