3821776767868 has 12 divisors (see below), whose sum is σ = 6706039934440. Its totient is φ = 1905765358032.

The previous prime is 3821776767847. The next prime is 3821776767937. The reversal of 3821776767868 is 8687676771283.

It is a junction number, because it is equal to n+sod(n) for n = 3821776767794 and 3821776767803.

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, 1280754798 + ... + 1280757781.

Almost surely, 2^{3821776767868} is an apocalyptic number.

It is an amenable number.

3821776767868 is a deficient number, since it is larger than the sum of its proper divisors (2884263166572).

3821776767868 is a wasteful number, since it uses less digits than its factorization.

3821776767868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561512956 (or 2561512954 counting only the distinct ones).

The product of its digits is 1593188352, while the sum is 76.

The spelling of 3821776767868 in words is "three trillion, eight hundred twenty-one billion, seven hundred seventy-six million, seven hundred sixty-seven thousand, eight hundred sixty-eight".