85080663859 has 2 divisors, whose sum is σ = 85080663860. Its totient is φ = 85080663858.

The previous prime is 85080663757. The next prime is 85080663887. The reversal of 85080663859 is 95836608058.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85080663859 - 2¹⁵ = 85080631091 is a prime.

It is not a weakly prime, because it can be changed into another prime (85080663359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42540331929 + 42540331930.

It is an arithmetic number, because the mean of its divisors is an integer number (42540331930).

Almost surely, 2^85080663859 is an apocalyptic number.

85080663859 is a deficient number, since it is larger than the sum of its proper divisors (1).

85080663859 is an equidigital number, since it uses as much as digits as its factorization.

85080663859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 85080663859 in words is "eighty-five billion, eighty million, six hundred sixty-three thousand, eight hundred fifty-nine".