785473143 has 16 divisors (see below), whose sum is σ = 1288982016. Its totient is φ = 414315360.

The previous prime is 785473141. The next prime is 785473147. The reversal of 785473143 is 341374587.

It is not a de Polignac number, because 785473143 - 2¹ = 785473141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 785473095 and 785473104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785473141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438323 + ... + 1438868.

It is an arithmetic number, because the mean of its divisors is an integer number (80561376).

Almost surely, 2^785473143 is an apocalyptic number.

785473143 is a deficient number, since it is larger than the sum of its proper divisors (503508873).

785473143 is a wasteful number, since it uses less digits than its factorization.

785473143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877214.

The product of its digits is 282240, while the sum is 42.

The square root of 785473143 is about 28026.2937792352. The cubic root of 785473143 is about 922.6644337871.

The spelling of 785473143 in words is "seven hundred eighty-five million, four hundred seventy-three thousand, one hundred forty-three".