693785066 has 16 divisors (see below), whose sum is σ = 1124729928. Its totient is φ = 319065600.

The previous prime is 693785063. The next prime is 693785089. The reversal of 693785066 is 660587396.

693785066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 651729841 + 42055225 = 25529^2 + 6485^2 .

It is not an unprimeable number, because it can be changed into a prime (693785063) 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, 40175 + ... + 54786.

Almost surely, 2^693785066 is an apocalyptic number.

693785066 is a deficient number, since it is larger than the sum of its proper divisors (430944862).

693785066 is a wasteful number, since it uses less digits than its factorization.

693785066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95257.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 693785066 is about 26339.8000372061. The cubic root of 693785066 is about 885.2684412353.

The spelling of 693785066 in words is "six hundred ninety-three million, seven hundred eighty-five thousand, sixty-six".