8458347424 has 24 divisors (see below), whose sum is σ = 16654532580. Its totient is φ = 4228624896.

The previous prime is 8458347421. The next prime is 8458347461. The reversal of 8458347424 is 4247438548.

It can be written as a sum of positive squares in 2 ways, for example, as 7650651024 + 807696400 = 87468^2 + 28420^2 .

It is a super-2 number, since 2×8458347424² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8458347421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362742 + ... + 385354.

Almost surely, 2^8458347424 is an apocalyptic number.

It is an amenable number.

8458347424 is a deficient number, since it is larger than the sum of its proper divisors (8196185156).

8458347424 is a wasteful number, since it uses less digits than its factorization.

8458347424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34312 (or 34304 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 49.

The square root of 8458347424 is about 91969.2743474689. The cubic root of 8458347424 is about 2037.4885331082.

The spelling of 8458347424 in words is "eight billion, four hundred fifty-eight million, three hundred forty-seven thousand, four hundred twenty-four".