8420742004327 has 2 divisors, whose sum is σ = 8420742004328. Its totient is φ = 8420742004326.

The previous prime is 8420742004313. The next prime is 8420742004357. The reversal of 8420742004327 is 7234002470248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8420742004327 - 2³⁵ = 8386382265959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8420742004357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4210371002163 + 4210371002164.

It is an arithmetic number, because the mean of its divisors is an integer number (4210371002164).

Almost surely, 2^{8420742004327} is an apocalyptic number.

8420742004327 is a deficient number, since it is larger than the sum of its proper divisors (1).

8420742004327 is an equidigital number, since it uses as much as digits as its factorization.

8420742004327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 43.

The spelling of 8420742004327 in words is "eight trillion, four hundred twenty billion, seven hundred forty-two million, four thousand, three hundred twenty-seven".