878465 has 16 divisors (see below), whose sum is σ = 1269120. Its totient is φ = 570240.

The previous prime is 878453. The next prime is 878467. The reversal of 878465 is 564878.

878465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 878465 - 2¹⁸ = 616321 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 878465.

It is not an unprimeable number, because it can be changed into a prime (878467) 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, 5 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (79320).

2⁸⁷⁸⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

878465 is a deficient number, since it is larger than the sum of its proper divisors (390655).

878465 is a wasteful number, since it uses less digits than its factorization.

878465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its digits is 53760, while the sum is 38.

The square root of 878465 is about 937.2646371223. The cubic root of 878465 is about 95.7726463078.

The spelling of 878465 in words is "eight hundred seventy-eight thousand, four hundred sixty-five".