9447840675 has 384 divisors, whose sum is σ = 22609664000. Its totient is φ = 3840721920.

The previous prime is 9447840673. The next prime is 9447840713. The reversal of 9447840675 is 5760487449.

It is not a de Polignac number, because 9447840675 - 2¹ = 9447840673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9447840671) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 129422439 + ... + 129422511.

Almost surely, 2^9447840675 is an apocalyptic number.

9447840675 is an abundant number, since it is smaller than the sum of its proper divisors (13161823325).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9447840675 is a wasteful number, since it uses less digits than its factorization.

9447840675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 9447840675 is about 97200.0034722222. The cubic root of 9447840675 is about 2114.0285765767.

The spelling of 9447840675 in words is "nine billion, four hundred forty-seven million, eight hundred forty thousand, six hundred seventy-five".