877982 has 36 divisors (see below), whose sum is σ = 1679904. Its totient is φ = 342720.

The previous prime is 877949. The next prime is 877997. The reversal of 877982 is 289778.

It is a congruent number.

It is an unprimeable number.

877982 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28307 + ... + 28337.

It is an arithmetic number, because the mean of its divisors is an integer number (46664).

2⁸⁷⁷⁹⁸² is an apocalyptic number.

877982 is a deficient number, since it is larger than the sum of its proper divisors (801922).

877982 is a wasteful number, since it uses less digits than its factorization.

877982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 57 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 877982 is about 937.0069370074. The cubic root of 877982 is about 95.7550904315.

The spelling of 877982 in words is "eight hundred seventy-seven thousand, nine hundred eighty-two".