2864805804 has 36 divisors (see below), whose sum is σ = 8276106384. Its totient is φ = 818515872.

The previous prime is 2864805793. The next prime is 2864805841. The reversal of 2864805804 is 4085084682.

2864805804 is a `hidden beast` number, since 2 + 8 + 64 + 8 + 0 + 580 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2864805804² = 16414224589264172832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2864805804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5683887 + ... + 5684390.

It is an arithmetic number, because the mean of its divisors is an integer number (229891844).

Almost surely, 2^2864805804 is an apocalyptic number.

It is an amenable number.

2864805804 is an abundant number, since it is smaller than the sum of its proper divisors (5411300580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2864805804 is a wasteful number, since it uses less digits than its factorization.

2864805804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11368294 (or 11368289 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 2864805804 is about 53523.8806889037. The cubic root of 2864805804 is about 1420.2508655504.

The spelling of 2864805804 in words is "two billion, eight hundred sixty-four million, eight hundred five thousand, eight hundred four".