447399788608 has 28 divisors (see below), whose sum is σ = 940033014012. Its totient is φ = 210541076480.

The previous prime is 447399788603. The next prime is 447399788639. The reversal of 447399788608 is 806887993744.

It can be written as a sum of positive squares in 2 ways, for example, as 350075755584 + 97324033024 = 591672^2 + 311968^2 .

It is not an unprimeable number, because it can be changed into a prime (447399788603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205605433 + ... + 205607608.

Almost surely, 2^447399788608 is an apocalyptic number.

It is an amenable number.

447399788608 is an abundant number, since it is smaller than the sum of its proper divisors (492633225404).

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

447399788608 is a wasteful number, since it uses less digits than its factorization.

447399788608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411213070 (or 411213060 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 447399788608 in words is "four hundred forty-seven billion, three hundred ninety-nine million, seven hundred eighty-eight thousand, six hundred eight".