8117761 has 2 divisors, whose sum is σ = 8117762. Its totient is φ = 8117760.

The previous prime is 8117743. The next prime is 8117771. The reversal of 8117761 is 1677118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4579600 + 3538161 = 2140^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 8117761 - 2⁵ = 8117729 is a prime.

It is not a weakly prime, because it can be changed into another prime (8117771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058880 + 4058881.

It is an arithmetic number, because the mean of its divisors is an integer number (4058881).

Almost surely, 2^8117761 is an apocalyptic number.

It is an amenable number.

8117761 is a deficient number, since it is larger than the sum of its proper divisors (1).

8117761 is an equidigital number, since it uses as much as digits as its factorization.

8117761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 31.

The square root of 8117761 is about 2849.1684751871. The cubic root of 8117761 is about 200.9765655046.

The spelling of 8117761 in words is "eight million, one hundred seventeen thousand, seven hundred sixty-one".