4447474785 has 24 divisors (see below), whose sum is σ = 8301954024. Its totient is φ = 2189525760.

The previous prime is 4447474783. The next prime is 4447474793. The reversal of 4447474785 is 5874747444.

It can be written as a sum of positive squares in 4 ways, for example, as 6718464 + 4440756321 = 2592^2 + 66639^2 .

It is not a de Polignac number, because 4447474785 - 2¹ = 4447474783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4447474783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3800676 + ... + 3801845.

It is an arithmetic number, because the mean of its divisors is an integer number (345914751).

Almost surely, 2^4447474785 is an apocalyptic number.

4447474785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4447474785 is a deficient number, since it is larger than the sum of its proper divisors (3854479239).

4447474785 is a wasteful number, since it uses less digits than its factorization.

4447474785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602545 (or 7602542 counting only the distinct ones).

The product of its digits is 14049280, while the sum is 54.

The square root of 4447474785 is about 66689.3903480906. The cubic root of 4447474785 is about 1644.5149711157.

The spelling of 4447474785 in words is "four billion, four hundred forty-seven million, four hundred seventy-four thousand, seven hundred eighty-five".