2808025805 has 16 divisors (see below), whose sum is σ = 3649121280. Its totient is φ = 2062026048.

The previous prime is 2808025777. The next prime is 2808025819. The reversal of 2808025805 is 5085208082.

It is a cyclic number.

It is not a de Polignac number, because 2808025805 - 2¹⁰ = 2808024781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109037 + ... + 132306.

It is an arithmetic number, because the mean of its divisors is an integer number (228070080).

Almost surely, 2^2808025805 is an apocalyptic number.

It is an amenable number.

2808025805 is a deficient number, since it is larger than the sum of its proper divisors (841095475).

2808025805 is a wasteful number, since it uses less digits than its factorization.

2808025805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241540.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 2808025805 is about 52990.8086841482. The cubic root of 2808025805 is about 1410.8051342853.

The spelling of 2808025805 in words is "two billion, eight hundred eight million, twenty-five thousand, eight hundred five".