8657452394 has 8 divisors (see below), whose sum is σ = 13132090980. Its totient is φ = 4280088736.

The previous prime is 8657452393. The next prime is 8657452403. The reversal of 8657452394 is 4932547568.

8657452394 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8260446769 + 397005625 = 90887^2 + 19925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8657452393) 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, 24318509 + ... + 24318864.

Almost surely, 2^8657452394 is an apocalyptic number.

8657452394 is a deficient number, since it is larger than the sum of its proper divisors (4474638586).

8657452394 is a wasteful number, since it uses less digits than its factorization.

8657452394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48637464.

The product of its digits is 7257600, while the sum is 53.

The square root of 8657452394 is about 93045.4318814202. The cubic root of 8657452394 is about 2053.3518352035.

The spelling of 8657452394 in words is "eight billion, six hundred fifty-seven million, four hundred fifty-two thousand, three hundred ninety-four".