427065107784 has 64 divisors (see below), whose sum is σ = 1284406348800. Its totient is φ = 115596569664.

The previous prime is 427065107779. The next prime is 427065107813. The reversal of 427065107784 is 487701560724.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66892972 + ... + 66899355.

It is an arithmetic number, because the mean of its divisors is an integer number (20068849200).

Almost surely, 2^427065107784 is an apocalyptic number.

It is an amenable number.

427065107784 is an abundant number, since it is smaller than the sum of its proper divisors (857341241016).

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

427065107784 is a wasteful number, since it uses less digits than its factorization.

427065107784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133792362 (or 133792358 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 427065107784 in words is "four hundred twenty-seven billion, sixty-five million, one hundred seven thousand, seven hundred eighty-four".