7085439745 has 8 divisors (see below), whose sum is σ = 8516869416. Its totient is φ = 5658790656.

The previous prime is 7085439733. The next prime is 7085439797. The reversal of 7085439745 is 5479345807.

7085439745 is digitally balanced in base 3, 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 4 ways, for example, as 1482019009 + 5603420736 = 38497^2 + 74856^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7085439745 - 2³¹ = 4937956097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7085439692 and 7085439701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191882 + ... + 1197811.

It is an arithmetic number, because the mean of its divisors is an integer number (1064608677).

Almost surely, 2^7085439745 is an apocalyptic number.

It is an amenable number.

7085439745 is a deficient number, since it is larger than the sum of its proper divisors (1431429671).

7085439745 is a wasteful number, since it uses less digits than its factorization.

7085439745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390291.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The square root of 7085439745 is about 84175.0541728367. The cubic root of 7085439745 is about 1920.6826046021.

The spelling of 7085439745 in words is "seven billion, eighty-five million, four hundred thirty-nine thousand, seven hundred forty-five".