447274525247 has 32 divisors (see below), whose sum is σ = 539919489024. Its totient is φ = 365499763200.

The previous prime is 447274525223. The next prime is 447274525273. The reversal of 447274525247 is 742525472744.

It is not a de Polignac number, because 447274525247 - 2¹² = 447274521151 is a prime.

It is a super-2 number, since 2×447274525247² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447274525277) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2764298 + ... + 2921624.

It is an arithmetic number, because the mean of its divisors is an integer number (16872484032).

Almost surely, 2^447274525247 is an apocalyptic number.

447274525247 is a deficient number, since it is larger than the sum of its proper divisors (92644963777).

447274525247 is a wasteful number, since it uses less digits than its factorization.

447274525247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158039.

The product of its digits is 17561600, while the sum is 53.

The spelling of 447274525247 in words is "four hundred forty-seven billion, two hundred seventy-four million, five hundred twenty-five thousand, two hundred forty-seven".