86027766761 has 2 divisors, whose sum is σ = 86027766762. Its totient is φ = 86027766760.

The previous prime is 86027766703. The next prime is 86027766779. The reversal of 86027766761 is 16766772068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80687811136 + 5339955625 = 284056^2 + 73075^2 .

It is a cyclic number.

It is not a de Polignac number, because 86027766761 - 2¹⁰ = 86027765737 is a prime.

It is a super-2 number, since 2×86027766761² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86027766697 and 86027766706.

It is not a weakly prime, because it can be changed into another prime (86027756761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43013883380 + 43013883381.

It is an arithmetic number, because the mean of its divisors is an integer number (43013883381).

Almost surely, 2^86027766761 is an apocalyptic number.

It is an amenable number.

86027766761 is a deficient number, since it is larger than the sum of its proper divisors (1).

86027766761 is an equidigital number, since it uses as much as digits as its factorization.

86027766761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 86027766761 in words is "eighty-six billion, twenty-seven million, seven hundred sixty-six thousand, seven hundred sixty-one".