200387769906 has 16 divisors (see below), whose sum is σ = 404907247584. Its totient is φ = 66107305344.

The previous prime is 200387769853. The next prime is 200387769913. The reversal of 200387769906 is 609967783002.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 172153860 + ... + 172155023.

It is an arithmetic number, because the mean of its divisors is an integer number (25306702974).

Almost surely, 2^200387769906 is an apocalyptic number.

200387769906 is an abundant number, since it is smaller than the sum of its proper divisors (204519477678).

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

200387769906 is a wasteful number, since it uses less digits than its factorization.

200387769906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344308985.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 200387769906 in words is "two hundred billion, three hundred eighty-seven million, seven hundred sixty-nine thousand, nine hundred six".