8457223417 has 2 divisors, whose sum is σ = 8457223418. Its totient is φ = 8457223416.

The previous prime is 8457223391. The next prime is 8457223447. The reversal of 8457223417 is 7143227548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5800954896 + 2656268521 = 76164^2 + 51539^2 .

It is a cyclic number.

It is not a de Polignac number, because 8457223417 - 2¹⁵ = 8457190649 is a prime.

It is not a weakly prime, because it can be changed into another prime (8457223447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4228611708 + 4228611709.

It is an arithmetic number, because the mean of its divisors is an integer number (4228611709).

Almost surely, 2^8457223417 is an apocalyptic number.

It is an amenable number.

8457223417 is a deficient number, since it is larger than the sum of its proper divisors (1).

8457223417 is an equidigital number, since it uses as much as digits as its factorization.

8457223417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 43.

The square root of 8457223417 is about 91963.1633699059. The cubic root of 8457223417 is about 2037.3982769896.

The spelling of 8457223417 in words is "eight billion, four hundred fifty-seven million, two hundred twenty-three thousand, four hundred seventeen".