878775 has 12 divisors (see below), whose sum is σ = 1453032. Its totient is φ = 468640.

The previous prime is 878749. The next prime is 878777. The reversal of 878775 is 577878.

It is not a de Polignac number, because 878775 - 2⁵ = 878743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5784 + ... + 5933.

It is an arithmetic number, because the mean of its divisors is an integer number (121086).

2⁸⁷⁸⁷⁷⁵ is an apocalyptic number.

878775 is a deficient number, since it is larger than the sum of its proper divisors (574257).

878775 is a wasteful number, since it uses less digits than its factorization.

878775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11730 (or 11725 counting only the distinct ones).

The product of its digits is 109760, while the sum is 42.

The square root of 878775 is about 937.4299973865. The cubic root of 878775 is about 95.7839106642.

It can be divided in two parts, 878 and 775, that added together give a triangular number (1653 = T₅₇).

The spelling of 878775 in words is "eight hundred seventy-eight thousand, seven hundred seventy-five".