785380785386 has 8 divisors (see below), whose sum is σ = 1178236450020. Its totient is φ = 392635302048.

The previous prime is 785380785379. The next prime is 785380785389. The reversal of 785380785386 is 683587083587.

It can be written as a sum of positive squares in 2 ways, for example, as 768576589225 + 16804196161 = 876685^2 + 129631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (785380785389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27527501 + ... + 27556016.

Almost surely, 2^785380785386 is an apocalyptic number.

785380785386 is a deficient number, since it is larger than the sum of its proper divisors (392855664634).

785380785386 is a wasteful number, since it uses less digits than its factorization.

785380785386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55090648.

The product of its (nonzero) digits is 270950400, while the sum is 68.

The spelling of 785380785386 in words is "seven hundred eighty-five billion, three hundred eighty million, seven hundred eighty-five thousand, three hundred eighty-six".