200578066 has 8 divisors (see below), whose sum is σ = 324010764. Its totient is φ = 92574480.

The previous prime is 200578061. The next prime is 200578069. The reversal of 200578066 is 660875002.

It can be written as a sum of positive squares in 2 ways, for example, as 197262025 + 3316041 = 14045^2 + 1821^2 .

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 (200578061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3857245 + ... + 3857296.

Almost surely, 2^200578066 is an apocalyptic number.

200578066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

200578066 is a deficient number, since it is larger than the sum of its proper divisors (123432698).

200578066 is a wasteful number, since it uses less digits than its factorization.

200578066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714556.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 200578066 is about 14162.5585965249. The cubic root of 200578066 is about 585.3664307637.

The spelling of 200578066 in words is "two hundred million, five hundred seventy-eight thousand, sixty-six".