447221793575 has 24 divisors (see below), whose sum is σ = 555441878016. Its totient is φ = 357205772000.

The previous prime is 447221793517. The next prime is 447221793587. The reversal of 447221793575 is 575397122744.

It is not a de Polignac number, because 447221793575 - 2²² = 447217599271 is a prime.

It is a super-2 number, since 2×447221793575² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447221793575.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45671930 + ... + 45681720.

It is an arithmetic number, because the mean of its divisors is an integer number (23143411584).

Almost surely, 2^447221793575 is an apocalyptic number.

447221793575 is a deficient number, since it is larger than the sum of its proper divisors (108220084441).

447221793575 is a wasteful number, since it uses less digits than its factorization.

447221793575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535 (or 12530 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 56.

The spelling of 447221793575 in words is "four hundred forty-seven billion, two hundred twenty-one million, seven hundred ninety-three thousand, five hundred seventy-five".