872899 has 4 divisors (see below), whose sum is σ = 924264. Its totient is φ = 821536.

The previous prime is 872863. The next prime is 872923. The reversal of 872899 is 998278.

872899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998278 = 2 ⋅499139.

It is a cyclic number.

It is not a de Polignac number, because 872899 - 2⁹ = 872387 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872099) 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, 25657 + ... + 25690.

It is an arithmetic number, because the mean of its divisors is an integer number (231066).

2⁸⁷²⁸⁹⁹ is an apocalyptic number.

872899 is a deficient number, since it is larger than the sum of its proper divisors (51365).

872899 is a wasteful number, since it uses less digits than its factorization.

872899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51364.

The product of its digits is 72576, while the sum is 43.

The square root of 872899 is about 934.2906400045. The cubic root of 872899 is about 95.5699441005.

It can be divided in two parts, 872 and 899, that added together give a palindrome (1771).

The spelling of 872899 in words is "eight hundred seventy-two thousand, eight hundred ninety-nine".