8470465447 has 4 divisors (see below), whose sum is σ = 8513030800. Its totient is φ = 8427900096.

The previous prime is 8470465439. The next prime is 8470465477. The reversal of 8470465447 is 7445640748.

8470465447 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 8470465447 - 2³ = 8470465439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8470465447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8470465417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21282378 + ... + 21282775.

It is an arithmetic number, because the mean of its divisors is an integer number (2128257700).

Almost surely, 2^8470465447 is an apocalyptic number.

8470465447 is a deficient number, since it is larger than the sum of its proper divisors (42565353).

8470465447 is a wasteful number, since it uses less digits than its factorization.

8470465447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42565352.

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

The square root of 8470465447 is about 92035.1315911484. The cubic root of 8470465447 is about 2038.4610852318.

The spelling of 8470465447 in words is "eight billion, four hundred seventy million, four hundred sixty-five thousand, four hundred forty-seven".