9008047457 has 4 divisors (see below), whose sum is σ = 9009469956. Its totient is φ = 9006624960.

The previous prime is 9008047441. The next prime is 9008047463. The reversal of 9008047457 is 7547408009.

9008047457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7547408009 = 17 ⋅443965177.

It can be written as a sum of positive squares in 2 ways, for example, as 3042184336 + 5965863121 = 55156^2 + 77239^2 .

It is a cyclic number.

It is not a de Polignac number, because 9008047457 - 2⁴ = 9008047441 is a prime.

It is a super-2 number, since 2×9008047457² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9008041457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701708 + ... + 714429.

It is an arithmetic number, because the mean of its divisors is an integer number (2252367489).

Almost surely, 2^9008047457 is an apocalyptic number.

It is an amenable number.

9008047457 is a deficient number, since it is larger than the sum of its proper divisors (1422499).

9008047457 is a wasteful number, since it uses less digits than its factorization.

9008047457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422498.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 9008047457 is about 94910.7341505691. The cubic root of 9008047457 is about 2080.7036155837.

The spelling of 9008047457 in words is "nine billion, eight million, forty-seven thousand, four hundred fifty-seven".