2085175686 has 16 divisors (see below), whose sum is σ = 4549474368. Its totient is φ = 631871400.

The previous prime is 2085175679. The next prime is 2085175693. The reversal of 2085175686 is 6865715802.

It is an interprime number because it is at equal distance from previous prime (2085175679) and next prime (2085175693).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15796720 + ... + 15796851.

It is an arithmetic number, because the mean of its divisors is an integer number (284342148).

Almost surely, 2^2085175686 is an apocalyptic number.

2085175686 is an abundant number, since it is smaller than the sum of its proper divisors (2464298682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2085175686 is a wasteful number, since it uses less digits than its factorization.

2085175686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31593587.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 2085175686 is about 45663.7239611489. The cubic root of 2085175686 is about 1277.5587596590.

It can be divided in two parts, 2085 and 175686, that added together give a palindrome (177771).

The spelling of 2085175686 in words is "two billion, eighty-five million, one hundred seventy-five thousand, six hundred eighty-six".