447628645788 has 24 divisors (see below), whose sum is σ = 1060055899392. Its totient is φ = 146982540144.

The previous prime is 447628645777. The next prime is 447628645823. The reversal of 447628645788 is 887546826744.

447628645788 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 278375220 + ... + 278376827.

It is an arithmetic number, because the mean of its divisors is an integer number (44168995808).

Almost surely, 2^447628645788 is an apocalyptic number.

It is an amenable number.

447628645788 is an abundant number, since it is smaller than the sum of its proper divisors (612427253604).

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

447628645788 is a wasteful number, since it uses less digits than its factorization.

447628645788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556752121 (or 556752119 counting only the distinct ones).

The product of its digits is 578027520, while the sum is 69.

The spelling of 447628645788 in words is "four hundred forty-seven billion, six hundred twenty-eight million, six hundred forty-five thousand, seven hundred eighty-eight".