877128 has 64 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 238656.

The previous prime is 877117. The next prime is 877133. The reversal of 877128 is 821778.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3751 + ... + 3977.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2⁸⁷⁷¹²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313280).

877128 is an abundant number, since it is smaller than the sum of its proper divisors (1749432).

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

877128 is a wasteful number, since it uses less digits than its factorization.

877128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its digits is 6272, while the sum is 33.

The square root of 877128 is about 936.5511198007. The cubic root of 877128 is about 95.7240338436.

The spelling of 877128 in words is "eight hundred seventy-seven thousand, one hundred twenty-eight".