442432255087 has 2 divisors, whose sum is σ = 442432255088. Its totient is φ = 442432255086.

The previous prime is 442432255081. The next prime is 442432255117. The reversal of 442432255087 is 780552234244.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442432255087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442432255081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221216127543 + 221216127544.

It is an arithmetic number, because the mean of its divisors is an integer number (221216127544).

Almost surely, 2^442432255087 is an apocalyptic number.

442432255087 is a deficient number, since it is larger than the sum of its proper divisors (1).

442432255087 is an equidigital number, since it uses as much as digits as its factorization.

442432255087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 46.

The spelling of 442432255087 in words is "four hundred forty-two billion, four hundred thirty-two million, two hundred fifty-five thousand, eighty-seven".