4278052021827 has 16 divisors (see below), whose sum is σ = 6101866808352. Its totient is φ = 2656595066880.

The previous prime is 4278052021787. The next prime is 4278052021909. The reversal of 4278052021827 is 7281202508724.

4278052021827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4278052021827 - 2¹¹ = 4278052019779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4278052021427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432383574 + ... + 432393467.

It is an arithmetic number, because the mean of its divisors is an integer number (381366675522).

Almost surely, 2^{4278052021827} is an apocalyptic number.

4278052021827 is a deficient number, since it is larger than the sum of its proper divisors (1823814786525).

4278052021827 is a wasteful number, since it uses less digits than its factorization.

4278052021827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864777158.

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 4278052021827 in words is "four trillion, two hundred seventy-eight billion, fifty-two million, twenty-one thousand, eight hundred twenty-seven".