8734755217 has 2 divisors, whose sum is σ = 8734755218. Its totient is φ = 8734755216.

The previous prime is 8734755203. The next prime is 8734755229. The reversal of 8734755217 is 7125574378.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7463404881 + 1271350336 = 86391^2 + 35656^2 .

It is a cyclic number.

It is not a de Polignac number, because 8734755217 - 2⁷ = 8734755089 is a prime.

It is not a weakly prime, because it can be changed into another prime (8734755257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4367377608 + 4367377609.

It is an arithmetic number, because the mean of its divisors is an integer number (4367377609).

Almost surely, 2^8734755217 is an apocalyptic number.

It is an amenable number.

8734755217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8734755217 is an equidigital number, since it uses as much as digits as its factorization.

8734755217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1646400, while the sum is 49.

The square root of 8734755217 is about 93459.9123528371. The cubic root of 8734755217 is about 2059.4452285122.

The spelling of 8734755217 in words is "eight billion, seven hundred thirty-four million, seven hundred fifty-five thousand, two hundred seventeen".