785460853 has 8 divisors (see below), whose sum is σ = 819739800. Its totient is φ = 751661568.

The previous prime is 785460839. The next prime is 785460887. The reversal of 785460853 is 358064587.

It can be written as a sum of positive squares in 4 ways, for example, as 71876484 + 713584369 = 8478^2 + 26713^2 .

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 785460853 - 2⁹ = 785460341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785463853) 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 7 ways as a sum of consecutive naturals, for example, 116568 + ... + 123121.

It is an arithmetic number, because the mean of its divisors is an integer number (102467475).

Almost surely, 2^785460853 is an apocalyptic number.

It is an amenable number.

785460853 is a deficient number, since it is larger than the sum of its proper divisors (34278947).

785460853 is a wasteful number, since it uses less digits than its factorization.

785460853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239831.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 785460853 is about 28026.0745199894. The cubic root of 785460853 is about 922.6596215687.

The spelling of 785460853 in words is "seven hundred eighty-five million, four hundred sixty thousand, eight hundred fifty-three".