447513785851 has 16 divisors (see below), whose sum is σ = 490833319680. Its totient is φ = 404634998880.

The previous prime is 447513785827. The next prime is 447513785857. The reversal of 447513785851 is 158587315744.

It is a cyclic number.

It is not a de Polignac number, because 447513785851 - 2⁹ = 447513785339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447513785857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7030570 + ... + 7093936.

It is an arithmetic number, because the mean of its divisors is an integer number (30677082480).

Almost surely, 2^447513785851 is an apocalyptic number.

447513785851 is a deficient number, since it is larger than the sum of its proper divisors (43319533829).

447513785851 is a wasteful number, since it uses less digits than its factorization.

447513785851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66834.

The product of its digits is 18816000, while the sum is 58.

The spelling of 447513785851 in words is "four hundred forty-seven billion, five hundred thirteen million, seven hundred eighty-five thousand, eight hundred fifty-one".