4227678421207 has 2 divisors, whose sum is σ = 4227678421208. Its totient is φ = 4227678421206.

The previous prime is 4227678421177. The next prime is 4227678421273. The reversal of 4227678421207 is 7021248767224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4227678421207 - 2³⁹ = 3677922607319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4227678421007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2113839210603 + 2113839210604.

It is an arithmetic number, because the mean of its divisors is an integer number (2113839210604).

Almost surely, 2^{4227678421207} is an apocalyptic number.

4227678421207 is a deficient number, since it is larger than the sum of its proper divisors (1).

4227678421207 is an equidigital number, since it uses as much as digits as its factorization.

4227678421207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4214784, while the sum is 52.

The spelling of 4227678421207 in words is "four trillion, two hundred twenty-seven billion, six hundred seventy-eight million, four hundred twenty-one thousand, two hundred seven".