3777777777777 has 16 divisors (see below), whose sum is σ = 5145313550592. Its totient is φ = 2464403293440.

The previous prime is 3777777777749. The next prime is 3777777777799. The reversal of 3777777777777 is 7777777777773.

It is not a de Polignac number, because 3777777777777 - 2¹⁴ = 3777777761393 is a prime.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 3777777777693 and 3777777777702.

It is not an unprimeable number, because it can be changed into a prime (3777777777727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2219974 + ... + 3533247.

It is an arithmetic number, because the mean of its divisors is an integer number (321582096912).

Almost surely, 2^{3777777777777} is an apocalyptic number.

It is an amenable number.

3777777777777 is a deficient number, since it is larger than the sum of its proper divisors (1367535772815).

3777777777777 is a wasteful number, since it uses less digits than its factorization.

3777777777777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757928.

The product of its digits is 41523861603, while the sum is 87.

It can be divided in two parts, 3777777 and 777777, that added together give a palindrome (4555554).

The spelling of 3777777777777 in words is "three trillion, seven hundred seventy-seven billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred seventy-seven".