877716 has 84 divisors (see below), whose sum is σ = 2693152. Its totient is φ = 244944.

The previous prime is 877699. The next prime is 877739. The reversal of 877716 is 617778.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 877716.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20391 + ... + 20433.

2⁸⁷⁷⁷¹⁶ is an apocalyptic number.

877716 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 877716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346576).

877716 is an abundant number, since it is smaller than the sum of its proper divisors (1815436).

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

877716 is a wasteful number, since it uses less digits than its factorization.

877716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 55 counting only the distinct ones).

The product of its digits is 16464, while the sum is 36.

The square root of 877716 is about 936.8649849365. The cubic root of 877716 is about 95.7454192283.

The spelling of 877716 in words is "eight hundred seventy-seven thousand, seven hundred sixteen".