3845245778 has 32 divisors (see below), whose sum is σ = 6524496000. Its totient is φ = 1683601920.

The previous prime is 3845245753. The next prime is 3845245813. The reversal of 3845245778 is 8775425483.

3845245778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) 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, 273218 + ... + 286946.

It is an arithmetic number, because the mean of its divisors is an integer number (203890500).

Almost surely, 2^3845245778 is an apocalyptic number.

3845245778 is a deficient number, since it is larger than the sum of its proper divisors (2679250222).

3845245778 is a wasteful number, since it uses less digits than its factorization.

3845245778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14210.

The product of its digits is 7526400, while the sum is 53.

The square root of 3845245778 is about 62010.0457829213. The cubic root of 3845245778 is about 1566.6598058449.

The spelling of 3845245778 in words is "three billion, eight hundred forty-five million, two hundred forty-five thousand, seven hundred seventy-eight".