447666562363672 has 32 divisors (see below), whose sum is σ = 840252033609120. Its totient is φ = 223599358483200.

The previous prime is 447666562363651. The next prime is 447666562363753. The reversal of 447666562363672 is 276363265666744.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 447666562363595 and 447666562363604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854388172 + ... + 854911972.

It is an arithmetic number, because the mean of its divisors is an integer number (26257876050285).

Almost surely, 2^{447666562363672} is an apocalyptic number.

It is an amenable number.

447666562363672 is a deficient number, since it is larger than the sum of its proper divisors (392585471245448).

447666562363672 is a wasteful number, since it uses less digits than its factorization.

447666562363672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635251 (or 635247 counting only the distinct ones).

The product of its digits is 6584094720, while the sum is 73.

The spelling of 447666562363672 in words is "four hundred forty-seven trillion, six hundred sixty-six billion, five hundred sixty-two million, three hundred sixty-three thousand, six hundred seventy-two".