85591166359 has 2 divisors, whose sum is σ = 85591166360. Its totient is φ = 85591166358.

The previous prime is 85591166327. The next prime is 85591166387. The reversal of 85591166359 is 95366119558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85591166359 - 2⁵ = 85591166327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85591166659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42795583179 + 42795583180.

It is an arithmetic number, because the mean of its divisors is an integer number (42795583180).

Almost surely, 2^85591166359 is an apocalyptic number.

85591166359 is a deficient number, since it is larger than the sum of its proper divisors (1).

85591166359 is an equidigital number, since it uses as much as digits as its factorization.

85591166359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748000, while the sum is 58.

The spelling of 85591166359 in words is "eighty-five billion, five hundred ninety-one million, one hundred sixty-six thousand, three hundred fifty-nine".