447605545672647 has 16 divisors (see below), whose sum is σ = 663346656256480. Its totient is φ = 298301398914816.

The previous prime is 447605545672613. The next prime is 447605545672673. The reversal of 447605545672647 is 746276545506744.

447605545672647 is a `hidden beast` number, since 4 + 4 + 7 + 6 + 0 + 5 + 54 + 567 + 2 + 6 + 4 + 7 = 666.

It is not a de Polignac number, because 447605545672647 - 2¹⁶ = 447605545607111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447605545672687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2841536458 + ... + 2841693975.

It is an arithmetic number, because the mean of its divisors is an integer number (41459166016030).

Almost surely, 2^{447605545672647} is an apocalyptic number.

447605545672647 is a deficient number, since it is larger than the sum of its proper divisors (215741110583833).

447605545672647 is a wasteful number, since it uses less digits than its factorization.

447605545672647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683233359 (or 5683233353 counting only the distinct ones).

The product of its (nonzero) digits is 4741632000, while the sum is 72.

The spelling of 447605545672647 in words is "four hundred forty-seven trillion, six hundred five billion, five hundred forty-five million, six hundred seventy-two thousand, six hundred forty-seven".