872877 has 4 divisors (see below), whose sum is σ = 1163840. Its totient is φ = 581916.

The previous prime is 872863. The next prime is 872923. The reversal of 872877 is 778278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 872877 - 2⁷ = 872749 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

872877 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145477 + ... + 145482.

It is an arithmetic number, because the mean of its divisors is an integer number (290960).

2⁸⁷²⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

872877 is a deficient number, since it is larger than the sum of its proper divisors (290963).

872877 is a wasteful number, since it uses less digits than its factorization.

872877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290962.

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

The square root of 872877 is about 934.2788662921. The cubic root of 872877 is about 95.5691411988.

The spelling of 872877 in words is "eight hundred seventy-two thousand, eight hundred seventy-seven".