200778841 has 8 divisors (see below), whose sum is σ = 204984000. Its totient is φ = 196612080.

The previous prime is 200778821. The next prime is 200778859. The reversal of 200778841 is 148877002.

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

It is a cyclic number.

It is not a de Polignac number, because 200778841 - 2¹³ = 200770649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200778841.

It is not an unprimeable number, because it can be changed into a prime (200778821) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1090 + ... + 20068.

It is an arithmetic number, because the mean of its divisors is an integer number (25623000).

Almost surely, 2^200778841 is an apocalyptic number.

It is an amenable number.

200778841 is a deficient number, since it is larger than the sum of its proper divisors (4205159).

200778841 is a wasteful number, since it uses less digits than its factorization.

200778841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19199.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 200778841 is about 14169.6450555404. The cubic root of 200778841 is about 585.5616793522.

The spelling of 200778841 in words is "two hundred million, seven hundred seventy-eight thousand, eight hundred forty-one".