447488818866 has 32 divisors (see below), whose sum is σ = 1052914870080. Its totient is φ = 140388648768.

The previous prime is 447488818741. The next prime is 447488818877. The reversal of 447488818866 is 668818884744.

It is a happy number.

447488818866 is a `hidden beast` number, since 4 + 4 + 7 + 488 + 8 + 1 + 88 + 66 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 447488818794 and 447488818803.

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 15 ways as a sum of consecutive naturals, for example, 243729376 + ... + 243731211.

It is an arithmetic number, because the mean of its divisors is an integer number (32903589690).

Almost surely, 2^447488818866 is an apocalyptic number.

447488818866 is an abundant number, since it is smaller than the sum of its proper divisors (605426051214).

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

447488818866 is a wasteful number, since it uses less digits than its factorization.

447488818866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487460615 (or 487460609 counting only the distinct ones).

The product of its digits is 528482304, while the sum is 72.

The spelling of 447488818866 in words is "four hundred forty-seven billion, four hundred eighty-eight million, eight hundred eighteen thousand, eight hundred sixty-six".