2808028894 has 8 divisors (see below), whose sum is σ = 4594956408. Its totient is φ = 1276376760.

The previous prime is 2808028843. The next prime is 2808028903. The reversal of 2808028894 is 4988208082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63818817 + ... + 63818860.

It is an arithmetic number, because the mean of its divisors is an integer number (574369551).

Almost surely, 2^2808028894 is an apocalyptic number.

2808028894 is a deficient number, since it is larger than the sum of its proper divisors (1786927514).

2808028894 is a wasteful number, since it uses less digits than its factorization.

2808028894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127637690.

The product of its (nonzero) digits is 589824, while the sum is 49.

The square root of 2808028894 is about 52990.8378307043. The cubic root of 2808028894 is about 1410.8056516091.

The spelling of 2808028894 in words is "two billion, eight hundred eight million, twenty-eight thousand, eight hundred ninety-four".