2806776651668 has 48 divisors (see below), whose sum is σ = 5382045670848. Its totient is φ = 1270178496000.

The previous prime is 2806776651667. The next prime is 2806776651697. The reversal of 2806776651668 is 8661566776082.

2806776651668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2806776651598 and 2806776651607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806776651667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42605771 + ... + 42671597.

It is an arithmetic number, because the mean of its divisors is an integer number (112125951476).

Almost surely, 2^{2806776651668} is an apocalyptic number.

It is an amenable number.

2806776651668 is a deficient number, since it is larger than the sum of its proper divisors (2575269019180).

2806776651668 is a wasteful number, since it uses less digits than its factorization.

2806776651668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70104 (or 70102 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 68.

The spelling of 2806776651668 in words is "two trillion, eight hundred six billion, seven hundred seventy-six million, six hundred fifty-one thousand, six hundred sixty-eight".