2808075816 has 512 divisors, whose sum is σ = 10343424000. Its totient is φ = 685283328.

The previous prime is 2808075763. The next prime is 2808075841. The reversal of 2808075816 is 6185708082.

2808075816 is a modest number, since divided by 75816 gives 2808 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27262821 + ... + 27262923.

It is an arithmetic number, because the mean of its divisors is an integer number (20202000).

Almost surely, 2^2808075816 is an apocalyptic number.

2808075816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2808075816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5171712000).

2808075816 is an abundant number, since it is smaller than the sum of its proper divisors (7535348184).

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

2808075816 is a wasteful number, since it uses less digits than its factorization.

2808075816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 2808075816 is about 52991.2805657686. The cubic root of 2808075816 is about 1410.8135097255.

The spelling of 2808075816 in words is "two billion, eight hundred eight million, seventy-five thousand, eight hundred sixteen".