4078783790 has 32 divisors (see below), whose sum is σ = 7460549280. Its totient is φ = 1605187584.

The previous prime is 4078783783. The next prime is 4078783817. The reversal of 4078783790 is 973878704.

It is a congruent 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, 619154 + ... + 625706.

It is an arithmetic number, because the mean of its divisors is an integer number (233142165).

Almost surely, 2^4078783790 is an apocalyptic number.

4078783790 is a deficient number, since it is larger than the sum of its proper divisors (3381765490).

4078783790 is a wasteful number, since it uses less digits than its factorization.

4078783790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The square root of 4078783790 is about 63865.3567280415. The cubic root of 4078783790 is about 1597.7551578900.

The spelling of 4078783790 in words is "four billion, seventy-eight million, seven hundred eighty-three thousand, seven hundred ninety".