447817387604 has 12 divisors (see below), whose sum is σ = 783689795700. Its totient is φ = 223906017408.

The previous prime is 447817387597. The next prime is 447817387639. The reversal of 447817387604 is 406783718744.

It can be written as a sum of positive squares in 2 ways, for example, as 108371323204 + 339446064400 = 329198^2 + 582620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265589 + ... + 982940.

It is an arithmetic number, because the mean of its divisors is an integer number (65307482975).

Almost surely, 2^447817387604 is an apocalyptic number.

It is an amenable number.

447817387604 is a deficient number, since it is larger than the sum of its proper divisors (335872408096).

447817387604 is a wasteful number, since it uses less digits than its factorization.

447817387604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338202 (or 1338200 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 59.

The spelling of 447817387604 in words is "four hundred forty-seven billion, eight hundred seventeen million, three hundred eighty-seven thousand, six hundred four".