3864673468865 has 32 divisors (see below), whose sum is σ = 5280538694400. Its totient is φ = 2687773777920.

The previous prime is 3864673468849. The next prime is 3864673468879. The reversal of 3864673468865 is 5688643764683.

It is not a de Polignac number, because 3864673468865 - 2⁴ = 3864673468849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3864673468792 and 3864673468801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4526801 + ... + 5312369.

It is an arithmetic number, because the mean of its divisors is an integer number (165016834200).

Almost surely, 2^{3864673468865} is an apocalyptic number.

It is an amenable number.

3864673468865 is a deficient number, since it is larger than the sum of its proper divisors (1415865225535).

3864673468865 is a wasteful number, since it uses less digits than its factorization.

3864673468865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789497.

The product of its digits is 3344302080, while the sum is 74.

The spelling of 3864673468865 in words is "three trillion, eight hundred sixty-four billion, six hundred seventy-three million, four hundred sixty-eight thousand, eight hundred sixty-five".