3779830638655 has 8 divisors (see below), whose sum is σ = 4535832048912. Its totient is φ = 3023840989248.

The previous prime is 3779830638653. The next prime is 3779830638709. The reversal of 3779830638655 is 5568360389773.

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 3779830638655 - 2¹ = 3779830638653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3779830638653) 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 7 ways as a sum of consecutive naturals, for example, 2216977 + ... + 3531946.

It is an arithmetic number, because the mean of its divisors is an integer number (566979006114).

Almost surely, 2^{3779830638655} is an apocalyptic number.

3779830638655 is a deficient number, since it is larger than the sum of its proper divisors (756001410257).

3779830638655 is a wasteful number, since it uses less digits than its factorization.

3779830638655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880425.

The product of its (nonzero) digits is 685843200, while the sum is 70.

The spelling of 3779830638655 in words is "three trillion, seven hundred seventy-nine billion, eight hundred thirty million, six hundred thirty-eight thousand, six hundred fifty-five".