878571 has 24 divisors (see below), whose sum is σ = 1357824. Its totient is φ = 546480.

The previous prime is 878567. The next prime is 878573. The reversal of 878571 is 175878.

878571 is a `hidden beast` number, since 87 + 8 + 571 = 666.

It is not a de Polignac number, because 878571 - 2² = 878567 is a prime.

It is not an unprimeable number, because it can be changed into a prime (878573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13080 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (56576).

2⁸⁷⁸⁵⁷¹ is an apocalyptic number.

878571 is a deficient number, since it is larger than the sum of its proper divisors (479253).

878571 is a wasteful number, since it uses less digits than its factorization.

878571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 148 counting only the distinct ones).

The product of its digits is 15680, while the sum is 36.

The square root of 878571 is about 937.3211829464. The cubic root of 878571 is about 95.7764982891.

The spelling of 878571 in words is "eight hundred seventy-eight thousand, five hundred seventy-one".