785268873 has 12 divisors (see below), whose sum is σ = 1173390660. Its totient is φ = 505460256.

The previous prime is 785268851. The next prime is 785268899. The reversal of 785268873 is 378862587.

It can be written as a sum of positive squares in 2 ways, for example, as 499388409 + 285880464 = 22347^2 + 16908^2 .

It is not a de Polignac number, because 785268873 - 2¹⁶ = 785203337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (785268823) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1504086 + ... + 1504607.

It is an arithmetic number, because the mean of its divisors is an integer number (97782555).

Almost surely, 2^785268873 is an apocalyptic number.

It is an amenable number.

785268873 is a deficient number, since it is larger than the sum of its proper divisors (388121787).

785268873 is a wasteful number, since it uses less digits than its factorization.

785268873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008728 (or 3008725 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 785268873 is about 28022.6492858902. The cubic root of 785268873 is about 922.5844442055.

The spelling of 785268873 in words is "seven hundred eighty-five million, two hundred sixty-eight thousand, eight hundred seventy-three".