7085705894 has 36 divisors (see below), whose sum is σ = 11299793076. Its totient is φ = 3330460224.

The previous prime is 7085705873. The next prime is 7085705899. The reversal of 7085705894 is 4985075807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7085705899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22637882 + ... + 22638194.

It is an arithmetic number, because the mean of its divisors is an integer number (313883141).

Almost surely, 2^7085705894 is an apocalyptic number.

7085705894 is a deficient number, since it is larger than the sum of its proper divisors (4214087182).

7085705894 is an equidigital number, since it uses as much as digits as its factorization.

7085705894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 7085705894 is about 84176.6350836145. The cubic root of 7085705894 is about 1920.7066530438.

The spelling of 7085705894 in words is "seven billion, eighty-five million, seven hundred five thousand, eight hundred ninety-four".