8717457097 has 2 divisors, whose sum is σ = 8717457098. Its totient is φ = 8717457096.

The previous prime is 8717457071. The next prime is 8717457103. The reversal of 8717457097 is 7907547178.

It is a happy number.

8717457097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5486216761 + 3231240336 = 74069^2 + 56844^2 .

It is a cyclic number.

It is not a de Polignac number, because 8717457097 - 2²⁷ = 8583239369 is a prime.

It is not a weakly prime, because it can be changed into another prime (8717427097) 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 as a sum of consecutive naturals, namely, 4358728548 + 4358728549.

It is an arithmetic number, because the mean of its divisors is an integer number (4358728549).

Almost surely, 2^8717457097 is an apocalyptic number.

It is an amenable number.

8717457097 is a deficient number, since it is larger than the sum of its proper divisors (1).

8717457097 is an equidigital number, since it uses as much as digits as its factorization.

8717457097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3457440, while the sum is 55.

The square root of 8717457097 is about 93367.3234970351. The cubic root of 8717457097 is about 2058.0848365149.

The spelling of 8717457097 in words is "eight billion, seven hundred seventeen million, four hundred fifty-seven thousand, ninety-seven".