3867783684465 has 64 divisors (see below), whose sum is σ = 6305291274240. Its totient is φ = 2024316057600.

The previous prime is 3867783684419. The next prime is 3867783684551. The reversal of 3867783684465 is 5644863877683.

3867783684465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3867783684465 - 2²⁰ = 3867782635889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77341509 + ... + 77391501.

It is an arithmetic number, because the mean of its divisors is an integer number (98520176160).

Almost surely, 2^{3867783684465} is an apocalyptic number.

It is an amenable number.

3867783684465 is a deficient number, since it is larger than the sum of its proper divisors (2437507589775).

3867783684465 is a wasteful number, since it uses less digits than its factorization.

3867783684465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50554.

The product of its digits is 3901685760, while the sum is 75.

The spelling of 3867783684465 in words is "three trillion, eight hundred sixty-seven billion, seven hundred eighty-three million, six hundred eighty-four thousand, four hundred sixty-five".