878022 has 12 divisors (see below), whose sum is σ = 1902420. Its totient is φ = 292668.

The previous prime is 878021. The next prime is 878023. The reversal of 878022 is 220878.

It is an interprime number because it is at equal distance from previous prime (878021) and next prime (878023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24372 + ... + 24407.

It is an arithmetic number, because the mean of its divisors is an integer number (158535).

2⁸⁷⁸⁰²² is an apocalyptic number.

878022 is an abundant number, since it is smaller than the sum of its proper divisors (1024398).

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

878022 is a wasteful number, since it uses less digits than its factorization.

878022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48787 (or 48784 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 878022 is about 937.0282813235. The cubic root of 878022 is about 95.7565445788.

The spelling of 878022 in words is "eight hundred seventy-eight thousand, twenty-two".