197199782 has 16 divisors (see below), whose sum is σ = 319094160. Its totient is φ = 90860832.

The previous prime is 197199781. The next prime is 197199787. The reversal of 197199782 is 287991791.

197199782 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197199781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9968 + ... + 22220.

It is an arithmetic number, because the mean of its divisors is an integer number (19943385).

Almost surely, 2^197199782 is an apocalyptic number.

197199782 is a deficient number, since it is larger than the sum of its proper divisors (121894378).

197199782 is a wasteful number, since it uses less digits than its factorization.

197199782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12887.

The product of its digits is 571536, while the sum is 53.

The square root of 197199782 is about 14042.7839832421. The cubic root of 197199782 is about 582.0614142235.

The spelling of 197199782 in words is "one hundred ninety-seven million, one hundred ninety-nine thousand, seven hundred eighty-two".