86075229173 has 2 divisors, whose sum is σ = 86075229174. Its totient is φ = 86075229172.

The previous prime is 86075229077. The next prime is 86075229193. The reversal of 86075229173 is 37192257068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84551263729 + 1523965444 = 290777^2 + 39038^2 .

It is a cyclic number.

It is not a de Polignac number, because 86075229173 - 2¹² = 86075225077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86075229193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43037614586 + 43037614587.

It is an arithmetic number, because the mean of its divisors is an integer number (43037614587).

Almost surely, 2^86075229173 is an apocalyptic number.

It is an amenable number.

86075229173 is a deficient number, since it is larger than the sum of its proper divisors (1).

86075229173 is an equidigital number, since it uses as much as digits as its factorization.

86075229173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 86075229173 in words is "eighty-six billion, seventy-five million, two hundred twenty-nine thousand, one hundred seventy-three".