442056827 has 2 divisors, whose sum is σ = 442056828. Its totient is φ = 442056826.

The previous prime is 442056799. The next prime is 442056841. The reversal of 442056827 is 728650244.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442056827 is a prime.

It is not a weakly prime, because it can be changed into another prime (442056227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221028413 + 221028414.

It is an arithmetic number, because the mean of its divisors is an integer number (221028414).

Almost surely, 2^442056827 is an apocalyptic number.

442056827 is a deficient number, since it is larger than the sum of its proper divisors (1).

442056827 is an equidigital number, since it uses as much as digits as its factorization.

442056827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 442056827 is about 21025.1474905647. The cubic root of 442056827 is about 761.7738040574.

The spelling of 442056827 in words is "four hundred forty-two million, fifty-six thousand, eight hundred twenty-seven".