785085641 has 4 divisors (see below), whose sum is σ = 785186832. Its totient is φ = 784984452.

The previous prime is 785085617. The next prime is 785085649. The reversal of 785085641 is 146580587.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 785085641 - 2⁶ = 785085577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 785085592 and 785085601.

It is not an unprimeable number, because it can be changed into a prime (785085649) 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 3 ways as a sum of consecutive naturals, for example, 37895 + ... + 54828.

It is an arithmetic number, because the mean of its divisors is an integer number (196296708).

Almost surely, 2^785085641 is an apocalyptic number.

It is an amenable number.

785085641 is a deficient number, since it is larger than the sum of its proper divisors (101191).

785085641 is an equidigital number, since it uses as much as digits as its factorization.

785085641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101190.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 785085641 is about 28019.3797397444. The cubic root of 785085641 is about 922.5126810389.

The spelling of 785085641 in words is "seven hundred eighty-five million, eighty-five thousand, six hundred forty-one".