878570 has 48 divisors (see below), whose sum is σ = 2019168. Its totient is φ = 272160.

The previous prime is 878567. The next prime is 878573. The reversal of 878570 is 75878.

It is an interprime number because it is at equal distance from previous prime (878567) and next prime (878573).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 878570.

It is not an unprimeable number, because it can be changed into a prime (878573) 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 23 ways as a sum of consecutive naturals, for example, 5309 + ... + 5471.

It is an arithmetic number, because the mean of its divisors is an integer number (42066).

2⁸⁷⁸⁵⁷⁰ is an apocalyptic number.

878570 is an abundant number, since it is smaller than the sum of its proper divisors (1140598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878570 is a wasteful number, since it uses less digits than its factorization.

878570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 878570 is about 937.3206495111. The cubic root of 878570 is about 95.7764619511.

The spelling of 878570 in words is "eight hundred seventy-eight thousand, five hundred seventy".