442462871 has 2 divisors, whose sum is σ = 442462872. Its totient is φ = 442462870.

The previous prime is 442462847. The next prime is 442462901. The reversal of 442462871 is 178264244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442462871 - 2⁶ = 442462807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442462571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221231435 + 221231436.

It is an arithmetic number, because the mean of its divisors is an integer number (221231436).

Almost surely, 2^442462871 is an apocalyptic number.

442462871 is a deficient number, since it is larger than the sum of its proper divisors (1).

442462871 is an equidigital number, since it uses as much as digits as its factorization.

442462871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 38.

The square root of 442462871 is about 21034.8014252571. The cubic root of 442462871 is about 762.0069709317.

The spelling of 442462871 in words is "four hundred forty-two million, four hundred sixty-two thousand, eight hundred seventy-one".