447078782973 has 8 divisors (see below), whose sum is σ = 596108911936. Its totient is φ = 298050588000.

The previous prime is 447078782923. The next prime is 447078782989. The reversal of 447078782973 is 379287870744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447078782973 - 2¹² = 447078778877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447078782923) 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, 189873 + ... + 964473.

It is an arithmetic number, because the mean of its divisors is an integer number (74513613992).

Almost surely, 2^447078782973 is an apocalyptic number.

It is an amenable number.

447078782973 is a deficient number, since it is larger than the sum of its proper divisors (149030128963).

447078782973 is a wasteful number, since it uses less digits than its factorization.

447078782973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966995.

The product of its (nonzero) digits is 132765696, while the sum is 66.

The spelling of 447078782973 in words is "four hundred forty-seven billion, seventy-eight million, seven hundred eighty-two thousand, nine hundred seventy-three".