197824373980 has 24 divisors (see below), whose sum is σ = 415831066560. Its totient is φ = 79053581760.

The previous prime is 197824373947. The next prime is 197824373993. The reversal of 197824373980 is 89373428791.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 4739191 + ... + 4780750.

It is an arithmetic number, because the mean of its divisors is an integer number (17326294440).

Almost surely, 2^197824373980 is an apocalyptic number.

197824373980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197824373980 is an abundant number, since it is smaller than the sum of its proper divisors (218006692580).

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

197824373980 is a wasteful number, since it uses less digits than its factorization.

197824373980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520989 (or 9520987 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 197824373980 in words is "one hundred ninety-seven billion, eight hundred twenty-four million, three hundred seventy-three thousand, nine hundred eighty".