877872 has 20 divisors (see below), whose sum is σ = 2267960. Its totient is φ = 292608.

The previous prime is 877871. The next prime is 877873. The reversal of 877872 is 278778.

It is an interprime number because it is at equal distance from previous prime (877871) and next prime (877873).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 877872.

It is not an unprimeable number, because it can be changed into a prime (877871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9097 + ... + 9192.

It is an arithmetic number, because the mean of its divisors is an integer number (113398).

2⁸⁷⁷⁸⁷² is an apocalyptic number.

It is an amenable number.

877872 is an abundant number, since it is smaller than the sum of its proper divisors (1390088).

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

877872 is a wasteful number, since it uses less digits than its factorization.

877872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18300 (or 18294 counting only the distinct ones).

The product of its digits is 43904, while the sum is 39.

The square root of 877872 is about 936.9482376311. The cubic root of 877872 is about 95.7510912987.

The spelling of 877872 in words is "eight hundred seventy-seven thousand, eight hundred seventy-two".