86426474117 has 2 divisors, whose sum is σ = 86426474118. Its totient is φ = 86426474116.

The previous prime is 86426474083. The next prime is 86426474137. The reversal of 86426474117 is 71147462468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78822808516 + 7603665601 = 280754^2 + 87199^2 .

It is a cyclic number.

It is not a de Polignac number, because 86426474117 - 2²² = 86422279813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86426474137) 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, 43213237058 + 43213237059.

It is an arithmetic number, because the mean of its divisors is an integer number (43213237059).

Almost surely, 2^86426474117 is an apocalyptic number.

It is an amenable number.

86426474117 is a deficient number, since it is larger than the sum of its proper divisors (1).

86426474117 is an equidigital number, since it uses as much as digits as its factorization.

86426474117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 50.

The spelling of 86426474117 in words is "eighty-six billion, four hundred twenty-six million, four hundred seventy-four thousand, one hundred seventeen".