447034521885 has 128 divisors (see below), whose sum is σ = 863608725504. Its totient is φ = 193210997760.

The previous prime is 447034521847. The next prime is 447034521893. The reversal of 447034521885 is 588125430744.

It is not a de Polignac number, because 447034521885 - 2¹³ = 447034513693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19658392 + ... + 19681118.

It is an arithmetic number, because the mean of its divisors is an integer number (6746943168).

Almost surely, 2^447034521885 is an apocalyptic number.

It is an amenable number.

447034521885 is a deficient number, since it is larger than the sum of its proper divisors (416574203619).

447034521885 is a wasteful number, since it uses less digits than its factorization.

447034521885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22923.

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 447034521885 in words is "four hundred forty-seven billion, thirty-four million, five hundred twenty-one thousand, eight hundred eighty-five".