447132665647475 has 384 divisors, whose sum is σ = 660979902578688. Its totient is φ = 297869309337600.

The previous prime is 447132665647469. The next prime is 447132665647489. The reversal of 447132665647475 is 574746566231744.

It is a happy number.

It is not a de Polignac number, because 447132665647475 - 2¹⁸ = 447132665385331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447132665647399 and 447132665647408.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 405378662774 + ... + 405378663876.

It is an arithmetic number, because the mean of its divisors is an integer number (1721301829632).

Almost surely, 2^{447132665647475} is an apocalyptic number.

447132665647475 is a deficient number, since it is larger than the sum of its proper divisors (213847236931213).

447132665647475 is a wasteful number, since it uses less digits than its factorization.

447132665647475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867 (or 1862 counting only the distinct ones).

The product of its digits is 2844979200, while the sum is 71.

The spelling of 447132665647475 in words is "four hundred forty-seven trillion, one hundred thirty-two billion, six hundred sixty-five million, six hundred forty-seven thousand, four hundred seventy-five".