3804728158865 has 16 divisors (see below), whose sum is σ = 4772611246080. Its totient is φ = 2908309959360.

The previous prime is 3804728158849. The next prime is 3804728158871. The reversal of 3804728158865 is 5688518274083.

It is not a de Polignac number, because 3804728158865 - 2⁴ = 3804728158849 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155346194 + ... + 155370683.

It is an arithmetic number, because the mean of its divisors is an integer number (298288202880).

Almost surely, 2^{3804728158865} is an apocalyptic number.

It is an amenable number.

3804728158865 is a deficient number, since it is larger than the sum of its proper divisors (967883087215).

3804728158865 is a wasteful number, since it uses less digits than its factorization.

3804728158865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310716992.

The product of its (nonzero) digits is 103219200, while the sum is 65.

The spelling of 3804728158865 in words is "three trillion, eight hundred four billion, seven hundred twenty-eight million, one hundred fifty-eight thousand, eight hundred sixty-five".