2085318705 has 16 divisors (see below), whose sum is σ = 3426686784. Its totient is φ = 1082111040.

The previous prime is 2085318673. The next prime is 2085318721. The reversal of 2085318705 is 5078135802.

It is not a de Polignac number, because 2085318705 - 2⁵ = 2085318673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878111 + ... + 1879220.

It is an arithmetic number, because the mean of its divisors is an integer number (214167924).

Almost surely, 2^2085318705 is an apocalyptic number.

It is an amenable number.

2085318705 is a deficient number, since it is larger than the sum of its proper divisors (1341368079).

2085318705 is a wasteful number, since it uses less digits than its factorization.

2085318705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757376.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 2085318705 is about 45665.2899366685. The cubic root of 2085318705 is about 1277.5879675894.

The spelling of 2085318705 in words is "two billion, eighty-five million, three hundred eighteen thousand, seven hundred five".