8816881 has 4 divisors (see below), whose sum is σ = 8842212. Its totient is φ = 8791552.

The previous prime is 8816869. The next prime is 8816891. The reversal of 8816881 is 1886188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1418481 + 7398400 = 1191^2 + 2720^2 .

It is a cyclic number.

It is not a de Polignac number, because 8816881 - 2¹¹ = 8814833 is a prime.

It is a super-2 number, since 2×8816881² = 155474781136322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

8816881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8816861) 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, 12136 + ... + 12841.

It is an arithmetic number, because the mean of its divisors is an integer number (2210553).

Almost surely, 2^8816881 is an apocalyptic number.

It is an amenable number.

8816881 is a deficient number, since it is larger than the sum of its proper divisors (25331).

8816881 is a wasteful number, since it uses less digits than its factorization.

8816881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25330.

The product of its digits is 24576, while the sum is 40.

The square root of 8816881 is about 2969.3233235874. The cubic root of 8816881 is about 206.5879533170.

The spelling of 8816881 in words is "eight million, eight hundred sixteen thousand, eight hundred eighty-one".