8122677317 has 2 divisors, whose sum is σ = 8122677318. Its totient is φ = 8122677316.

The previous prime is 8122677313. The next prime is 8122677341. The reversal of 8122677317 is 7137762218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7548308161 + 574369156 = 86881^2 + 23966^2 .

It is a cyclic number.

It is not a de Polignac number, because 8122677317 - 2² = 8122677313 is a prime.

It is a super-2 number, since 2×8122677317² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8122677313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4061338658 + 4061338659.

It is an arithmetic number, because the mean of its divisors is an integer number (4061338659).

Almost surely, 2^8122677317 is an apocalyptic number.

It is an amenable number.

8122677317 is a deficient number, since it is larger than the sum of its proper divisors (1).

8122677317 is an equidigital number, since it uses as much as digits as its factorization.

8122677317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 44.

The square root of 8122677317 is about 90125.8970385316. The cubic root of 8122677317 is about 2010.1712944452.

The spelling of 8122677317 in words is "eight billion, one hundred twenty-two million, six hundred seventy-seven thousand, three hundred seventeen".