199880577967 has 8 divisors (see below), whose sum is σ = 236312013600. Its totient is φ = 165418409184.

The previous prime is 199880577947. The next prime is 199880577983. The reversal of 199880577967 is 769775088991.

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

It is not a de Polignac number, because 199880577967 - 2¹¹ = 199880575919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199880577893 and 199880577902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199880577917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492316492 + ... + 492316897.

It is an arithmetic number, because the mean of its divisors is an integer number (29539001700).

Almost surely, 2^199880577967 is an apocalyptic number.

199880577967 is a deficient number, since it is larger than the sum of its proper divisors (36431435633).

199880577967 is an equidigital number, since it uses as much as digits as its factorization.

199880577967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984633425.

The product of its (nonzero) digits is 480090240, while the sum is 76.

The spelling of 199880577967 in words is "one hundred ninety-nine billion, eight hundred eighty million, five hundred seventy-seven thousand, nine hundred sixty-seven".