3777666666777 has 32 divisors (see below), whose sum is σ = 6006926367360. Its totient is φ = 2337830760960.

The previous prime is 3777666666731. The next prime is 3777666666803. The reversal of 3777666666777 is 7776666667773.

It is not a de Polignac number, because 3777666666777 - 2⁶ = 3777666666713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3777666666696 and 3777666666705.

It is not an unprimeable number, because it can be changed into a prime (3777666666727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56337799 + ... + 56404812.

It is an arithmetic number, because the mean of its divisors is an integer number (187716448980).

Almost surely, 2^{3777666666777} is an apocalyptic number.

It is an amenable number.

3777666666777 is a deficient number, since it is larger than the sum of its proper divisors (2229259700583).

3777666666777 is a wasteful number, since it uses less digits than its factorization.

3777666666777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112742710 (or 112742704 counting only the distinct ones).

The product of its digits is 16467095232, while the sum is 81.

The spelling of 3777666666777 in words is "three trillion, seven hundred seventy-seven billion, six hundred sixty-six million, six hundred sixty-six thousand, seven hundred seventy-seven".