4427478625 has 8 divisors (see below), whose sum is σ = 5525493480. Its totient is φ = 3541982800.

The previous prime is 4427478619. The next prime is 4427478659. The reversal of 4427478625 is 5268747244.

It can be written as a sum of positive squares in 4 ways, for example, as 54037201 + 4373441424 = 7351^2 + 66132^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4427478625 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17709790 + ... + 17710039.

It is an arithmetic number, because the mean of its divisors is an integer number (690686685).

Almost surely, 2^4427478625 is an apocalyptic number.

It is an amenable number.

4427478625 is a deficient number, since it is larger than the sum of its proper divisors (1098014855).

4427478625 is an equidigital number, since it uses as much as digits as its factorization.

4427478625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35419844 (or 35419834 counting only the distinct ones).

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

The square root of 4427478625 is about 66539.3013564164. The cubic root of 4427478625 is about 1642.0466497686.

The spelling of 4427478625 in words is "four billion, four hundred twenty-seven million, four hundred seventy-eight thousand, six hundred twenty-five".