200778196 has 12 divisors (see below), whose sum is σ = 362696320. Its totient is φ = 97150680.

The previous prime is 200778181. The next prime is 200778217. The reversal of 200778196 is 691877002.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 809466 + ... + 809713.

Almost surely, 2^200778196 is an apocalyptic number.

It is an amenable number.

200778196 is a deficient number, since it is larger than the sum of its proper divisors (161918124).

200778196 is a wasteful number, since it uses less digits than its factorization.

200778196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619214 (or 1619212 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 200778196 is about 14169.6222956012. The cubic root of 200778196 is about 585.5610523145.

The spelling of 200778196 in words is "two hundred million, seven hundred seventy-eight thousand, one hundred ninety-six".