200746022978 has 6 divisors (see below), whose sum is σ = 301119984921. Its totient is φ = 100372694672.

The previous prime is 200746022957. The next prime is 200746023031. The reversal of 200746022978 is 879220647002.

200746022978 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 2 ways, for example, as 199466744689 + 1279278289 = 446617^2 + 35767^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=316817.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 475226 + ... + 792042.

Almost surely, 2^200746022978 is an apocalyptic number.

200746022978 is a deficient number, since it is larger than the sum of its proper divisors (100373961943).

200746022978 is an frugal number, since it uses more digits than its factorization.

200746022978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633636 (or 316819 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 200746022978 in words is "two hundred billion, seven hundred forty-six million, twenty-two thousand, nine hundred seventy-eight".