442701587 has 2 divisors, whose sum is σ = 442701588. Its totient is φ = 442701586.

The previous prime is 442701557. The next prime is 442701659. The reversal of 442701587 is 785107244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442701587 - 2⁸ = 442701331 is a prime.

It is a super-4 number, since 4×442701587⁴ (a number of 36 digits) contains 4444 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442701587.

It is not a weakly prime, because it can be changed into another prime (442701557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221350793 + 221350794.

It is an arithmetic number, because the mean of its divisors is an integer number (221350794).

Almost surely, 2^442701587 is an apocalyptic number.

442701587 is a deficient number, since it is larger than the sum of its proper divisors (1).

442701587 is an equidigital number, since it uses as much as digits as its factorization.

442701587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 442701587 is about 21040.4749708746. The cubic root of 442701587 is about 762.1439847276.

The spelling of 442701587 in words is "four hundred forty-two million, seven hundred one thousand, five hundred eighty-seven".