422873625887668 has 12 divisors (see below), whose sum is σ = 740065133821860. Its totient is φ = 211426444795712.

The previous prime is 422873625887651. The next prime is 422873625887693. The reversal of 422873625887668 is 866788526378224.

It can be written as a sum of positive squares in 2 ways, for example, as 138604988855844 + 284268637031824 = 11773062^2 + 16860268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422873625887591 and 422873625887600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591945263 + ... + 2592108406.

It is an arithmetic number, because the mean of its divisors is an integer number (61672094485155).

Almost surely, 2^{422873625887668} is an apocalyptic number.

It is an amenable number.

422873625887668 is a deficient number, since it is larger than the sum of its proper divisors (317191507934192).

422873625887668 is a wasteful number, since it uses less digits than its factorization.

422873625887668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184074066 (or 5184074064 counting only the distinct ones).

The product of its digits is 20808990720, while the sum is 82.

The spelling of 422873625887668 in words is "four hundred twenty-two trillion, eight hundred seventy-three billion, six hundred twenty-five million, eight hundred eighty-seven thousand, six hundred sixty-eight".