878526 has 80 divisors (see below), whose sum is σ = 2352240. Its totient is φ = 241920.

The previous prime is 878513. The next prime is 878539. The reversal of 878526 is 625878.

It is an interprime number because it is at equal distance from previous prime (878513) and next prime (878539).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30280 + ... + 30308.

It is an arithmetic number, because the mean of its divisors is an integer number (29403).

2⁸⁷⁸⁵²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176120).

878526 is an abundant number, since it is smaller than the sum of its proper divisors (1473714).

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

878526 is a wasteful number, since it uses less digits than its factorization.

878526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 62 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 878526 is about 937.2971780604. The cubic root of 878526 is about 95.7748630519.

The spelling of 878526 in words is "eight hundred seventy-eight thousand, five hundred twenty-six".