447572760752647 has 4 divisors (see below), whose sum is σ = 451918127362000. Its totient is φ = 443227394143296.

The previous prime is 447572760752591. The next prime is 447572760752681. The reversal of 447572760752647 is 746257067275744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 447572760752647 - 2³⁹ = 447023004938759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 447572760752647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447572760752687) 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 3 ways as a sum of consecutive naturals, for example, 2172683304522 + ... + 2172683304727.

It is an arithmetic number, because the mean of its divisors is an integer number (112979531840500).

Almost surely, 2^{447572760752647} is an apocalyptic number.

447572760752647 is a deficient number, since it is larger than the sum of its proper divisors (4345366609353).

447572760752647 is a wasteful number, since it uses less digits than its factorization.

447572760752647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345366609352.

The product of its (nonzero) digits is 3872332800, while the sum is 73.

The spelling of 447572760752647 in words is "four hundred forty-seven trillion, five hundred seventy-two billion, seven hundred sixty million, seven hundred fifty-two thousand, six hundred forty-seven".