9044478847 has 2 divisors, whose sum is σ = 9044478848. Its totient is φ = 9044478846.

The previous prime is 9044478829. The next prime is 9044478851. The reversal of 9044478847 is 7488744409.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9044478847 is a prime.

It is a super-2 number, since 2×9044478847² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9044478647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4522239423 + 4522239424.

It is an arithmetic number, because the mean of its divisors is an integer number (4522239424).

Almost surely, 2^9044478847 is an apocalyptic number.

9044478847 is a deficient number, since it is larger than the sum of its proper divisors (1).

9044478847 is an equidigital number, since it uses as much as digits as its factorization.

9044478847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7225344, while the sum is 55.

The square root of 9044478847 is about 95102.4649890843. The cubic root of 9044478847 is about 2083.5048502174.

The spelling of 9044478847 in words is "nine billion, forty-four million, four hundred seventy-eight thousand, eight hundred forty-seven".