8872161 has 4 divisors (see below), whose sum is σ = 11829552. Its totient is φ = 5914772.

The previous prime is 8872153. The next prime is 8872177. The reversal of 8872161 is 1612788.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 8872161 - 2³ = 8872153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8872121) 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, 1478691 + ... + 1478696.

It is an arithmetic number, because the mean of its divisors is an integer number (2957388).

Almost surely, 2^8872161 is an apocalyptic number.

It is an amenable number.

8872161 is a deficient number, since it is larger than the sum of its proper divisors (2957391).

8872161 is a wasteful number, since it uses less digits than its factorization.

8872161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957390.

The product of its digits is 5376, while the sum is 33.

The square root of 8872161 is about 2978.6172966664. The cubic root of 8872161 is about 207.0188085316.

The spelling of 8872161 in words is "eight million, eight hundred seventy-two thousand, one hundred sixty-one".