86505896167 has 2 divisors, whose sum is σ = 86505896168. Its totient is φ = 86505896166.

The previous prime is 86505896153. The next prime is 86505896171. The reversal of 86505896167 is 76169850568.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86505896167 - 2³¹ = 84358412519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86502896167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43252948083 + 43252948084.

It is an arithmetic number, because the mean of its divisors is an integer number (43252948084).

Almost surely, 2^86505896167 is an apocalyptic number.

86505896167 is a deficient number, since it is larger than the sum of its proper divisors (1).

86505896167 is an equidigital number, since it uses as much as digits as its factorization.

86505896167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 86505896167 in words is "eighty-six billion, five hundred five million, eight hundred ninety-six thousand, one hundred sixty-seven".