8457667499 has 2 divisors, whose sum is σ = 8457667500. Its totient is φ = 8457667498.

The previous prime is 8457667483. The next prime is 8457667577. The reversal of 8457667499 is 9947667548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8457667499 - 2⁴ = 8457667483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8457667409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228833749 + 4228833750.

It is an arithmetic number, because the mean of its divisors is an integer number (4228833750).

Almost surely, 2^8457667499 is an apocalyptic number.

8457667499 is a deficient number, since it is larger than the sum of its proper divisors (1).

8457667499 is an equidigital number, since it uses as much as digits as its factorization.

8457667499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 65.

The square root of 8457667499 is about 91965.5777940855. The cubic root of 8457667499 is about 2037.4339370804.

The spelling of 8457667499 in words is "eight billion, four hundred fifty-seven million, six hundred sixty-seven thousand, four hundred ninety-nine".