197298387000 has 768 divisors, whose sum is σ = 793322449920. Its totient is φ = 43595136000.

The previous prime is 197298386903. The next prime is 197298387017. The reversal of 197298387000 is 783892791.

It is a super-3 number, since 3×197298387000³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 106820077 + ... + 106821923.

It is an arithmetic number, because the mean of its divisors is an integer number (1032971940).

Almost surely, 2^197298387000 is an apocalyptic number.

197298387000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197298387000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396661224960).

197298387000 is an abundant number, since it is smaller than the sum of its proper divisors (596024062920).

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

197298387000 is a wasteful number, since it uses less digits than its factorization.

197298387000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 197298387000 in words is "one hundred ninety-seven billion, two hundred ninety-eight million, three hundred eighty-seven thousand".