427065107838 has 8 divisors (see below), whose sum is σ = 854130215688. Its totient is φ = 142355035944.

The previous prime is 427065107813. The next prime is 427065107867. The reversal of 427065107838 is 838701560724.

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

427065107838 is an admirable number.

It is a congruent 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, 35588758981 + ... + 35588758992.

It is an arithmetic number, because the mean of its divisors is an integer number (106766276961).

Almost surely, 2^427065107838 is an apocalyptic number.

427065107838 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.

427065107838 is a wasteful number, since it uses less digits than its factorization.

427065107838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71177517978.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 427065107838 in words is "four hundred twenty-seven billion, sixty-five million, one hundred seven thousand, eight hundred thirty-eight".