447647485 has 8 divisors (see below), whose sum is σ = 568775736. Its totient is φ = 337052160.

The previous prime is 447647479. The next prime is 447647521. The reversal of 447647485 is 584746744.

It can be written as a sum of positive squares in 4 ways, for example, as 119530489 + 328116996 = 10933^2 + 18114^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 447647485 - 2³ = 447647477 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2633136 + ... + 2633305.

It is an arithmetic number, because the mean of its divisors is an integer number (71096967).

Almost surely, 2^447647485 is an apocalyptic number.

It is an amenable number.

447647485 is a deficient number, since it is larger than the sum of its proper divisors (121128251).

447647485 is a wasteful number, since it uses less digits than its factorization.

447647485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266463.

The product of its digits is 3010560, while the sum is 49.

The square root of 447647485 is about 21157.6814656049. The cubic root of 447647485 is about 764.9717249293.

The spelling of 447647485 in words is "four hundred forty-seven million, six hundred forty-seven thousand, four hundred eighty-five".