4578720427 has 2 divisors, whose sum is σ = 4578720428. Its totient is φ = 4578720426.

The previous prime is 4578720413. The next prime is 4578720431. The reversal of 4578720427 is 7240278754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4578720427 - 2⁷ = 4578720299 is a prime.

It is not a weakly prime, because it can be changed into another prime (4578720457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289360213 + 2289360214.

It is an arithmetic number, because the mean of its divisors is an integer number (2289360214).

Almost surely, 2^4578720427 is an apocalyptic number.

4578720427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4578720427 is an equidigital number, since it uses as much as digits as its factorization.

4578720427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 878080, while the sum is 46.

The square root of 4578720427 is about 67666.2428911196. The cubic root of 4578720427 is about 1660.5350318475.

The spelling of 4578720427 in words is "four billion, five hundred seventy-eight million, seven hundred twenty thousand, four hundred twenty-seven".