785230008209 has 8 divisors (see below), whose sum is σ = 795348227880. Its totient is φ = 775140575616.

The previous prime is 785230008193. The next prime is 785230008221. The reversal of 785230008209 is 902800032587.

It can be written as a sum of positive squares in 4 ways, for example, as 3293038225 + 781936969984 = 57385^2 + 884272^2 .

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 785230008209 - 2⁴ = 785230008193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 785230008209.

It is not an unprimeable number, because it can be changed into a prime (785230008709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7141862 + ... + 7250975.

It is an arithmetic number, because the mean of its divisors is an integer number (99418528485).

Almost surely, 2^785230008209 is an apocalyptic number.

It is an amenable number.

785230008209 is a deficient number, since it is larger than the sum of its proper divisors (10118219671).

785230008209 is a wasteful number, since it uses less digits than its factorization.

785230008209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14393539.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 785230008209 in words is "seven hundred eighty-five billion, two hundred thirty million, eight thousand, two hundred nine".