200106078 has 8 divisors (see below), whose sum is σ = 400212168. Its totient is φ = 66702024.

The previous prime is 200106073. The next prime is 200106079. The reversal of 200106078 is 870601002.

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

200106078 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200106073) 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, 16675501 + ... + 16675512.

It is an arithmetic number, because the mean of its divisors is an integer number (50026521).

Almost surely, 2^200106078 is an apocalyptic number.

200106078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200106078 is a wasteful number, since it uses less digits than its factorization.

200106078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33351018.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 200106078 is about 14145.8855502227. The cubic root of 200106078 is about 584.9069206866.

The spelling of 200106078 in words is "two hundred million, one hundred six thousand, seventy-eight".