10042442087 has 2 divisors, whose sum is σ = 10042442088. Its totient is φ = 10042442086.

The previous prime is 10042442071. The next prime is 10042442117. The reversal of 10042442087 is 78024424001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10042442087 - 2⁴ = 10042442071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10042442287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021221043 + 5021221044.

It is an arithmetic number, because the mean of its divisors is an integer number (5021221044).

Almost surely, 2^10042442087 is an apocalyptic number.

10042442087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10042442087 is an equidigital number, since it uses as much as digits as its factorization.

10042442087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 32.

Adding to 10042442087 its reverse (78024424001), we get a palindrome (88066866088).

The spelling of 10042442087 in words is "ten billion, forty-two million, four hundred forty-two thousand, eighty-seven".