427878 has 24 divisors (see below), whose sum is σ = 1011816. Its totient is φ = 129600.

The previous prime is 427877. The next prime is 427879. The reversal of 427878 is 878724.

427878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (427877) and next prime (427879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883 + ... + 1278.

It is an arithmetic number, because the mean of its divisors is an integer number (42159).

2⁴²⁷⁸⁷⁸ is an apocalyptic number.

427878 is an abundant number, since it is smaller than the sum of its proper divisors (583938).

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

427878 is a wasteful number, since it uses less digits than its factorization.

427878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2177 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 427878 is about 654.1238414857. The cubic root of 427878 is about 75.3540592637.

It can be divided in two parts, 4278 and 78, that added together give a square (4356 = 66²).

The spelling of 427878 in words is "four hundred twenty-seven thousand, eight hundred seventy-eight".