785203946103 has 16 divisors (see below), whose sum is σ = 1060272281600. Its totient is φ = 516803470560.

The previous prime is 785203946053. The next prime is 785203946117. The reversal of 785203946103 is 301649302587.

It is not a de Polignac number, because 785203946103 - 2⁸ = 785203945847 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 (785203946173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3147858 + ... + 3388128.

It is an arithmetic number, because the mean of its divisors is an integer number (66267017600).

It is a 1-persistent number, because it is pandigital, but 2⋅785203946103 = 1570407892206 is not.

Almost surely, 2^785203946103 is an apocalyptic number.

785203946103 is a deficient number, since it is larger than the sum of its proper divisors (275068335497).

785203946103 is a wasteful number, since it uses less digits than its factorization.

785203946103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254142.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 785203946103 in words is "seven hundred eighty-five billion, two hundred three million, nine hundred forty-six thousand, one hundred three".