19775800075 has 6 divisors (see below), whose sum is σ = 24521992124. Its totient is φ = 15820640040.

The previous prime is 19775800007. The next prime is 19775800087. The reversal of 19775800075 is 57000857791.

It is not a de Polignac number, because 19775800075 - 2¹¹ = 19775798027 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 395515977 + ... + 395516026.

Almost surely, 2^19775800075 is an apocalyptic number.

19775800075 is a deficient number, since it is larger than the sum of its proper divisors (4746192049).

19775800075 is an equidigital number, since it uses as much as digits as its factorization.

19775800075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791032013 (or 791032008 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 49.

The spelling of 19775800075 in words is "nineteen billion, seven hundred seventy-five million, eight hundred thousand, seventy-five".