877866 has 32 divisors (see below), whose sum is σ = 1963008. Its totient is φ = 259440.

The previous prime is 877853. The next prime is 877867. The reversal of 877866 is 668778.

877866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2961 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (61344).

2⁸⁷⁷⁸⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981504).

877866 is an abundant number, since it is smaller than the sum of its proper divisors (1085142).

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

877866 is a wasteful number, since it uses less digits than its factorization.

877866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its digits is 112896, while the sum is 42.

The square root of 877866 is about 936.9450357412. The cubic root of 877866 is about 95.7508731545.

The spelling of 877866 in words is "eight hundred seventy-seven thousand, eight hundred sixty-six".