447886597728 has 48 divisors (see below), whose sum is σ = 1226819817216. Its totient is φ = 142804421760.

The previous prime is 447886597709. The next prime is 447886597729. The reversal of 447886597728 is 827795688744.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 447886597728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447886597729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101421388 + ... + 101425803.

It is an arithmetic number, because the mean of its divisors is an integer number (25558746192).

Almost surely, 2^447886597728 is an apocalyptic number.

447886597728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

447886597728 is an abundant number, since it is smaller than the sum of its proper divisors (778933219488).

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

447886597728 is a wasteful number, since it uses less digits than its factorization.

447886597728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202847227 (or 202847219 counting only the distinct ones).

The product of its digits is 1517322240, while the sum is 75.

The spelling of 447886597728 in words is "four hundred forty-seven billion, eight hundred eighty-six million, five hundred ninety-seven thousand, seven hundred twenty-eight".