3778715755 has 8 divisors (see below), whose sum is σ = 4591857600. Its totient is φ = 2984706816.

The previous prime is 3778715741. The next prime is 3778715771. The reversal of 3778715755 is 5575178773.

3778715755 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3778715755 - 2⁵ = 3778715723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3778715696 and 3778715705.

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, 4782790 + ... + 4783579.

It is an arithmetic number, because the mean of its divisors is an integer number (573982200).

Almost surely, 2^3778715755 is an apocalyptic number.

3778715755 is a deficient number, since it is larger than the sum of its proper divisors (813141845).

3778715755 is an equidigital number, since it uses as much as digits as its factorization.

3778715755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9566453.

The product of its digits is 7203000, while the sum is 55.

The square root of 3778715755 is about 61471.2595852729. The cubic root of 3778715755 is about 1557.5717969594.

The spelling of 3778715755 in words is "three billion, seven hundred seventy-eight million, seven hundred fifteen thousand, seven hundred fifty-five".