198752931047 has 12 divisors (see below), whose sum is σ = 221540932368. Its totient is φ = 178139623200.

The previous prime is 198752931007. The next prime is 198752931067. The reversal of 198752931047 is 740139257891.

198752931047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198752931047 - 2⁸ = 198752930791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198752930983 and 198752931001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198752931007) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11558918 + ... + 11576099.

It is an arithmetic number, because the mean of its divisors is an integer number (18461744364).

Almost surely, 2^198752931047 is an apocalyptic number.

198752931047 is a deficient number, since it is larger than the sum of its proper divisors (22788001321).

198752931047 is a wasteful number, since it uses less digits than its factorization.

198752931047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135110 (or 23135099 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 198752931047 in words is "one hundred ninety-eight billion, seven hundred fifty-two million, nine hundred thirty-one thousand, forty-seven".