447772748 has 6 divisors (see below), whose sum is σ = 783602316. Its totient is φ = 223886372.

The previous prime is 447772739. The next prime is 447772781. The reversal of 447772748 is 847277744.

It is a junction number, because it is equal to n+sod(n) for n = 447772696 and 447772705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55971590 + ... + 55971597.

It is an arithmetic number, because the mean of its divisors is an integer number (130600386).

Almost surely, 2^447772748 is an apocalyptic number.

It is an amenable number.

447772748 is a deficient number, since it is larger than the sum of its proper divisors (335829568).

447772748 is a wasteful number, since it uses less digits than its factorization.

447772748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111943191 (or 111943189 counting only the distinct ones).

The product of its digits is 2458624, while the sum is 50.

The square root of 447772748 is about 21160.6414836602. The cubic root of 447772748 is about 765.0430710367.

The spelling of 447772748 in words is "four hundred forty-seven million, seven hundred seventy-two thousand, seven hundred forty-eight".