8325647457 has 4 divisors (see below), whose sum is σ = 11100863280. Its totient is φ = 5550431636.

The previous prime is 8325647441. The next prime is 8325647459. The reversal of 8325647457 is 7547465238.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8325647457 - 2⁴ = 8325647441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8325647459) 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, 1387607907 + ... + 1387607912.

It is an arithmetic number, because the mean of its divisors is an integer number (2775215820).

Almost surely, 2^8325647457 is an apocalyptic number.

It is an amenable number.

8325647457 is a deficient number, since it is larger than the sum of its proper divisors (2775215823).

8325647457 is a wasteful number, since it uses less digits than its factorization.

8325647457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775215822.

The product of its digits is 5644800, while the sum is 51.

The square root of 8325647457 is about 91244.9859279950. The cubic root of 8325647457 is about 2026.7771794388. Note that the first 3 decimals are identical.

The spelling of 8325647457 in words is "eight billion, three hundred twenty-five million, six hundred forty-seven thousand, four hundred fifty-seven".