3827066855965 has 4 divisors (see below), whose sum is σ = 4592480227164. Its totient is φ = 3061653484768.

The previous prime is 3827066855947. The next prime is 3827066856017. The reversal of 3827066855965 is 5695586607283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2249262060516 + 1577804795449 = 1499754^2 + 1256107^2 .

It is a cyclic number.

It is not a de Polignac number, because 3827066855965 - 2⁹ = 3827066855453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3827066855894 and 3827066855903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382706685592 + ... + 382706685601.

It is an arithmetic number, because the mean of its divisors is an integer number (1148120056791).

Almost surely, 2^{3827066855965} is an apocalyptic number.

It is an amenable number.

3827066855965 is a deficient number, since it is larger than the sum of its proper divisors (765413371199).

3827066855965 is an equidigital number, since it uses as much as digits as its factorization.

3827066855965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765413371198.

The product of its (nonzero) digits is 653184000, while the sum is 70.

The spelling of 3827066855965 in words is "three trillion, eight hundred twenty-seven billion, sixty-six million, eight hundred fifty-five thousand, nine hundred sixty-five".