42087588005 has 4 divisors (see below), whose sum is σ = 50505105612. Its totient is φ = 33670070400.

The previous prime is 42087588001. The next prime is 42087588029. The reversal of 42087588005 is 50088578024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25856318401 + 16231269604 = 160799^2 + 127402^2 .

It is not a de Polignac number, because 42087588005 - 2² = 42087588001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42087588001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208758796 + ... + 4208758805.

It is an arithmetic number, because the mean of its divisors is an integer number (12626276403).

Almost surely, 2^42087588005 is an apocalyptic number.

It is an amenable number.

42087588005 is a deficient number, since it is larger than the sum of its proper divisors (8417517607).

42087588005 is an equidigital number, since it uses as much as digits as its factorization.

42087588005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417517606.

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 42087588005 in words is "forty-two billion, eighty-seven million, five hundred eighty-eight thousand, five".