3778974418 has 16 divisors (see below), whose sum is σ = 5802176160. Its totient is φ = 1844944416.

The previous prime is 3778974413. The next prime is 3778974473. The reversal of 3778974418 is 8144798773.

3778974418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3778974413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378373 + ... + 388231.

It is an arithmetic number, because the mean of its divisors is an integer number (362636010).

Almost surely, 2^3778974418 is an apocalyptic number.

3778974418 is a deficient number, since it is larger than the sum of its proper divisors (2023201742).

3778974418 is a wasteful number, since it uses less digits than its factorization.

3778974418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14361.

The product of its digits is 9483264, while the sum is 58.

The square root of 3778974418 is about 61473.3634837073. The cubic root of 3778974418 is about 1557.6073361062.

The spelling of 3778974418 in words is "three billion, seven hundred seventy-eight million, nine hundred seventy-four thousand, four hundred eighteen".