4078213278 has 16 divisors (see below), whose sum is σ = 8158872576. Its totient is φ = 1358996760.

The previous prime is 4078213261. The next prime is 4078213289. The reversal of 4078213278 is 8723128704.

4078213278 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79876 + ... + 120567.

It is an arithmetic number, because the mean of its divisors is an integer number (509929536).

Almost surely, 2^4078213278 is an apocalyptic number.

4078213278 is an abundant number, since it is smaller than the sum of its proper divisors (4080659298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4078213278 is a wasteful number, since it uses less digits than its factorization.

4078213278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203839.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 4078213278 is about 63860.8900501708. The cubic root of 4078213278 is about 1597.6806601115.

The spelling of 4078213278 in words is "four billion, seventy-eight million, two hundred thirteen thousand, two hundred seventy-eight".