8180607217 has 2 divisors, whose sum is σ = 8180607218. Its totient is φ = 8180607216.

The previous prime is 8180607163. The next prime is 8180607233. The reversal of 8180607217 is 7127060818.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6937057521 + 1243549696 = 83289^2 + 35264^2 .

It is a cyclic number.

It is not a de Polignac number, because 8180607217 - 2¹⁵ = 8180574449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8180607217.

It is not a weakly prime, because it can be changed into another prime (8180607277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4090303608 + 4090303609.

It is an arithmetic number, because the mean of its divisors is an integer number (4090303609).

Almost surely, 2^8180607217 is an apocalyptic number.

It is an amenable number.

8180607217 is a deficient number, since it is larger than the sum of its proper divisors (1).

8180607217 is an equidigital number, since it uses as much as digits as its factorization.

8180607217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 8180607217 is about 90446.7092657328. The cubic root of 8180607217 is about 2014.9387406129.

The spelling of 8180607217 in words is "eight billion, one hundred eighty million, six hundred seven thousand, two hundred seventeen".