869081223 has 32 divisors (see below), whose sum is σ = 1255242240. Its totient is φ = 533053440.

The previous prime is 869081159. The next prime is 869081263. The reversal of 869081223 is 322180968.

It is a happy number.

It is not a de Polignac number, because 869081223 - 2⁶ = 869081159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869081263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599886 + ... + 601332.

It is an arithmetic number, because the mean of its divisors is an integer number (39226320).

Almost surely, 2^869081223 is an apocalyptic number.

869081223 is a deficient number, since it is larger than the sum of its proper divisors (386161017).

869081223 is a wasteful number, since it uses less digits than its factorization.

869081223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 869081223 is about 29480.1835645574. The cubic root of 869081223 is about 954.3040983443.

The spelling of 869081223 in words is "eight hundred sixty-nine million, eighty-one thousand, two hundred twenty-three".