2808468668864 has 28 divisors (see below), whose sum is σ = 5574640066344. Its totient is φ = 1403834951424.

The previous prime is 2808468668809. The next prime is 2808468668881. The reversal of 2808468668864 is 4688668648082.

It is a junction number, because it is equal to n+sod(n) for n = 2808468668791 and 2808468668800.

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, 6013514 + ... + 6463689.

Almost surely, 2^{2808468668864} is an apocalyptic number.

It is an amenable number.

2808468668864 is a deficient number, since it is larger than the sum of its proper divisors (2766171397480).

2808468668864 is a wasteful number, since it uses less digits than its factorization.

2808468668864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12480732 (or 12480722 counting only the distinct ones).

The product of its (nonzero) digits is 1358954496, while the sum is 74.

The spelling of 2808468668864 in words is "two trillion, eight hundred eight billion, four hundred sixty-eight million, six hundred sixty-eight thousand, eight hundred sixty-four".