86172427127 has 2 divisors, whose sum is σ = 86172427128. Its totient is φ = 86172427126.

The previous prime is 86172427063. The next prime is 86172427169. The reversal of 86172427127 is 72172427168.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86172427127 - 2⁶ = 86172427063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86172427177) 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, 43086213563 + 43086213564.

It is an arithmetic number, because the mean of its divisors is an integer number (43086213564).

Almost surely, 2^86172427127 is an apocalyptic number.

86172427127 is a deficient number, since it is larger than the sum of its proper divisors (1).

86172427127 is an equidigital number, since it uses as much as digits as its factorization.

86172427127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 526848, while the sum is 47.

The spelling of 86172427127 in words is "eighty-six billion, one hundred seventy-two million, four hundred twenty-seven thousand, one hundred twenty-seven".