3779847280065 has 16 divisors (see below), whose sum is σ = 6047840550528. Its totient is φ = 2015890248576.

The previous prime is 3779847280037. The next prime is 3779847280073. The reversal of 3779847280065 is 5600827489773.

It is a happy number.

It is not a de Polignac number, because 3779847280065 - 2¹⁰ = 3779847279041 is a prime.

It is a super-2 number, since 2×3779847280065² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3779847279978 and 3779847280005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641532 + ... + 2823341.

It is an arithmetic number, because the mean of its divisors is an integer number (377990034408).

Almost surely, 2^{3779847280065} is an apocalyptic number.

It is an amenable number.

3779847280065 is a deficient number, since it is larger than the sum of its proper divisors (2267993270463).

3779847280065 is a wasteful number, since it uses less digits than its factorization.

3779847280065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537608.

The product of its (nonzero) digits is 142248960, while the sum is 66.

The spelling of 3779847280065 in words is "three trillion, seven hundred seventy-nine billion, eight hundred forty-seven million, two hundred eighty thousand, sixty-five".