3878727346 has 32 divisors (see below), whose sum is σ = 6446890800. Its totient is φ = 1738782720.

The previous prime is 3878727289. The next prime is 3878727379. The reversal of 3878727346 is 6437278783.

It can be written as a sum of positive squares in 8 ways, for example, as 642369025 + 3236358321 = 25345^2 + 56889^2 .

It is a Smith number, since the sum of its digits (55) 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236170 + ... + 252058.

Almost surely, 2^3878727346 is an apocalyptic number.

3878727346 is a deficient number, since it is larger than the sum of its proper divisors (2568163454).

3878727346 is a wasteful number, since it uses less digits than its factorization.

3878727346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16174.

The product of its digits is 9483264, while the sum is 55.

The square root of 3878727346 is about 62279.4295574389. The cubic root of 3878727346 is about 1571.1937782529.

The spelling of 3878727346 in words is "three billion, eight hundred seventy-eight million, seven hundred twenty-seven thousand, three hundred forty-six".