422668727547 has 16 divisors (see below), whose sum is σ = 616258177920. Its totient is φ = 255551489600.

The previous prime is 422668727539. The next prime is 422668727567. The reversal of 422668727547 is 745727866224.

422668727547 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 422668727547 - 2³ = 422668727539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422668727567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15270354 + ... + 15298007.

It is an arithmetic number, because the mean of its divisors is an integer number (38516136120).

Almost surely, 2^422668727547 is an apocalyptic number.

422668727547 is a deficient number, since it is larger than the sum of its proper divisors (193589450373).

422668727547 is a wasteful number, since it uses less digits than its factorization.

422668727547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30568794.

The product of its digits is 63221760, while the sum is 60.

The spelling of 422668727547 in words is "four hundred twenty-two billion, six hundred sixty-eight million, seven hundred twenty-seven thousand, five hundred forty-seven".