208027323085 has 16 divisors (see below), whose sum is σ = 253798099632. Its totient is φ = 163646553600.

The previous prime is 208027323047. The next prime is 208027323107. The reversal of 208027323085 is 580323720802.

208027323085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 19071057604 + 188956265481 = 138098^2 + 434691^2 .

It is not a de Polignac number, because 208027323085 - 2⁷ = 208027322957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 983697 + ... + 1176313.

It is an arithmetic number, because the mean of its divisors is an integer number (15862381227).

Almost surely, 2^208027323085 is an apocalyptic number.

It is an amenable number.

208027323085 is a deficient number, since it is larger than the sum of its proper divisors (45770776547).

208027323085 is a wasteful number, since it uses less digits than its factorization.

208027323085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196224.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 208027323085 in words is "two hundred eight billion, twenty-seven million, three hundred twenty-three thousand, eighty-five".