442422734807887 has 2 divisors, whose sum is σ = 442422734807888. Its totient is φ = 442422734807886.

The previous prime is 442422734807863. The next prime is 442422734807897. The reversal of 442422734807887 is 788708437224244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442422734807887 - 2⁷ = 442422734807759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442422734807897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221211367403943 + 221211367403944.

It is an arithmetic number, because the mean of its divisors is an integer number (221211367403944).

Almost surely, 2^{442422734807887} is an apocalyptic number.

442422734807887 is a deficient number, since it is larger than the sum of its proper divisors (1).

442422734807887 is an equidigital number, since it uses as much as digits as its factorization.

442422734807887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1078984704, while the sum is 70.

The spelling of 442422734807887 in words is "four hundred forty-two trillion, four hundred twenty-two billion, seven hundred thirty-four million, eight hundred seven thousand, eight hundred eighty-seven".