447988585 has 12 divisors (see below), whose sum is σ = 590901444. Its totient is φ = 325809440.

The previous prime is 447988547. The next prime is 447988603. The reversal of 447988585 is 585889744.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122943744 + 325044841 = 11088^2 + 18029^2 .

It is a de Polignac number, because none of the positive numbers 2^k-447988585 is a prime.

It is a super-4 number, since 4×447988585⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369634 + ... + 370843.

It is an arithmetic number, because the mean of its divisors is an integer number (49241787).

Almost surely, 2^447988585 is an apocalyptic number.

It is an amenable number.

447988585 is a deficient number, since it is larger than the sum of its proper divisors (142912859).

447988585 is a wasteful number, since it uses less digits than its factorization.

447988585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740504 (or 740493 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 58.

The square root of 447988585 is about 21165.7408327703. The cubic root of 447988585 is about 765.1659742117.

The spelling of 447988585 in words is "four hundred forty-seven million, nine hundred eighty-eight thousand, five hundred eighty-five".