872163 has 6 divisors (see below), whose sum is σ = 1259804. Its totient is φ = 581436.

The previous prime is 872161. The next prime is 872173. The reversal of 872163 is 361278.

It is not a de Polignac number, because 872163 - 2¹ = 872161 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

872163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (872161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48445 + ... + 48462.

2⁸⁷²¹⁶³ is an apocalyptic number.

872163 is a deficient number, since it is larger than the sum of its proper divisors (387641).

872163 is a wasteful number, since it uses less digits than its factorization.

872163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96913 (or 96910 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 872163 is about 933.8966752270. The cubic root of 872163 is about 95.5430760599.

It can be divided in two parts, 872 and 163, that added together give a triangular number (1035 = T₄₅).

The spelling of 872163 in words is "eight hundred seventy-two thousand, one hundred sixty-three".