8880665 has 4 divisors (see below), whose sum is σ = 10656804. Its totient is φ = 7104528.

The previous prime is 8880653. The next prime is 8880667. The reversal of 8880665 is 5660888.

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 2550409 + 6330256 = 1597^2 + 2516^2 .

It is a cyclic number.

It is not a de Polignac number, because 8880665 - 2¹⁰ = 8879641 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 (8880667) 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, 888062 + ... + 888071.

It is an arithmetic number, because the mean of its divisors is an integer number (2664201).

Almost surely, 2^8880665 is an apocalyptic number.

It is an amenable number.

8880665 is a deficient number, since it is larger than the sum of its proper divisors (1776139).

8880665 is a wasteful number, since it uses less digits than its factorization.

8880665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776138.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 8880665 is about 2980.0444627555. The cubic root of 8880665 is about 207.0849301814.

The spelling of 8880665 in words is "eight million, eight hundred eighty thousand, six hundred sixty-five".