4278078813846 has 32 divisors (see below), whose sum is σ = 9025767653760. Its totient is φ = 1348079366016.

The previous prime is 4278078813817. The next prime is 4278078813863. The reversal of 4278078813846 is 6483188708724.

4278078813846 is digitally balanced in base 2, because in such base 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 15 ways as a sum of consecutive naturals, for example, 40125571 + ... + 40232046.

It is an arithmetic number, because the mean of its divisors is an integer number (282055239180).

Almost surely, 2^{4278078813846} is an apocalyptic number.

4278078813846 is an abundant number, since it is smaller than the sum of its proper divisors (4747688839914).

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

4278078813846 is a wasteful number, since it uses less digits than its factorization.

4278078813846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80358108.

The product of its (nonzero) digits is 115605504, while the sum is 66.

The spelling of 4278078813846 in words is "four trillion, two hundred seventy-eight billion, seventy-eight million, eight hundred thirteen thousand, eight hundred forty-six".