878136 has 32 divisors (see below), whose sum is σ = 2509440. Its totient is φ = 250848.

The previous prime is 878131. The next prime is 878147. The reversal of 878136 is 631878.

878136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×878136² = 1542245668992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 878097 and 878106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2446 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (78420).

2⁸⁷⁸¹³⁶ is an apocalyptic number.

It is an amenable number.

878136 is an abundant number, since it is smaller than the sum of its proper divisors (1631304).

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

878136 is a wasteful number, since it uses less digits than its factorization.

878136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243 (or 5239 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 878136 is about 937.0891099570. The cubic root of 878136 is about 95.7606886563.

The spelling of 878136 in words is "eight hundred seventy-eight thousand, one hundred thirty-six".