447221793576 has 32 divisors (see below), whose sum is σ = 1183822395840. Its totient is φ = 140304876288.

The previous prime is 447221793517. The next prime is 447221793587. The reversal of 447221793576 is 675397122744.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

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, 548065516 + ... + 548066331.

It is an arithmetic number, because the mean of its divisors is an integer number (36994449870).

Almost surely, 2^447221793576 is an apocalyptic number.

It is an amenable number.

447221793576 is an abundant number, since it is smaller than the sum of its proper divisors (736600602264).

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

447221793576 is a wasteful number, since it uses less digits than its factorization.

447221793576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096131873 (or 1096131869 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 57.

The spelling of 447221793576 in words is "four hundred forty-seven billion, two hundred twenty-one million, seven hundred ninety-three thousand, five hundred seventy-six".