2806781564562 has 16 divisors (see below), whose sum is σ = 5626527483360. Its totient is φ = 933433129152.

The previous prime is 2806781564507. The next prime is 2806781564599. The reversal of 2806781564562 is 2654651876082.

It is a junction number, because it is equal to n+sod(n) for n = 2806781564496 and 2806781564505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540178612 + ... + 540183807.

It is an arithmetic number, because the mean of its divisors is an integer number (351657967710).

Almost surely, 2^{2806781564562} is an apocalyptic number.

2806781564562 is an abundant number, since it is smaller than the sum of its proper divisors (2819745918798).

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

2806781564562 is a wasteful number, since it uses less digits than its factorization.

2806781564562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080362857.

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 2806781564562 in words is "two trillion, eight hundred six billion, seven hundred eighty-one million, five hundred sixty-four thousand, five hundred sixty-two".