42875887680305 has 4 divisors (see below), whose sum is σ = 51451065216372. Its totient is φ = 34300710144240.

The previous prime is 42875887680203. The next prime is 42875887680347. The reversal of 42875887680305 is 50308678857824.

It is a happy number.

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 12241832361889 + 30634055318416 = 3498833^2 + 5534804^2 .

It is not a de Polignac number, because 42875887680305 - 2⁴⁰ = 41776376052529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4287588768026 + ... + 4287588768035.

It is an arithmetic number, because the mean of its divisors is an integer number (12862766304093).

Almost surely, 2^{42875887680305} is an apocalyptic number.

It is an amenable number.

42875887680305 is a deficient number, since it is larger than the sum of its proper divisors (8575177536067).

42875887680305 is an equidigital number, since it uses as much as digits as its factorization.

42875887680305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575177536066.

The product of its (nonzero) digits is 722534400, while the sum is 71.

The spelling of 42875887680305 in words is "forty-two trillion, eight hundred seventy-five billion, eight hundred eighty-seven million, six hundred eighty thousand, three hundred five".