42781718874 has 8 divisors (see below), whose sum is σ = 85563437760. Its totient is φ = 14260572956.

The previous prime is 42781718869. The next prime is 42781718897. The reversal of 42781718874 is 47881718724.

It is a sphenic number, since it is the product of 3 distinct primes.

42781718874 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565143234 + ... + 3565143245.

It is an arithmetic number, because the mean of its divisors is an integer number (10695429720).

Almost surely, 2^42781718874 is an apocalyptic number.

42781718874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42781718874 is a wasteful number, since it uses less digits than its factorization.

42781718874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130286484.

The product of its digits is 5619712, while the sum is 57.

The spelling of 42781718874 in words is "forty-two billion, seven hundred eighty-one million, seven hundred eighteen thousand, eight hundred seventy-four".