2004888665 has 16 divisors (see below), whose sum is σ = 2592079056. Its totient is φ = 1479878400.

The previous prime is 2004888653. The next prime is 2004888667. The reversal of 2004888665 is 5668884002.

It can be written as a sum of positive squares in 8 ways, for example, as 231131209 + 1773757456 = 15203^2 + 42116^2 .

It is not a de Polignac number, because 2004888665 - 2⁸ = 2004888409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2004888667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180575 + ... + 191355.

It is an arithmetic number, because the mean of its divisors is an integer number (162004941).

Almost surely, 2^2004888665 is an apocalyptic number.

It is an amenable number.

2004888665 is a deficient number, since it is larger than the sum of its proper divisors (587190391).

2004888665 is a wasteful number, since it uses less digits than its factorization.

2004888665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13660.

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 2004888665 is about 44775.9831271185. The cubic root of 2004888665 is about 1260.9467699379.

The spelling of 2004888665 in words is "two billion, four million, eight hundred eighty-eight thousand, six hundred sixty-five".