197829068580 has 720 divisors, whose sum is σ = 760232032560. Its totient is φ = 42726942720.

The previous prime is 197829068531. The next prime is 197829068587. The reversal of 197829068580 is 85860928791.

It is a happy number.

197829068580 is a `hidden beast` number, since 197 + 8 + 290 + 6 + 85 + 80 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 59119004736 + 138710063844 = 243144^2 + 372438^2 .

It is not an unprimeable number, because it can be changed into a prime (197829068587) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 73898202 + ... + 73900878.

It is an arithmetic number, because the mean of its divisors is an integer number (1055877823).

Almost surely, 2^197829068580 is an apocalyptic number.

197829068580 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 197829068580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380116016280).

197829068580 is an abundant number, since it is smaller than the sum of its proper divisors (562402963980).

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

197829068580 is a wasteful number, since it uses less digits than its factorization.

197829068580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762 (or 2740 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

It can be divided in two parts, 19782906 and 8580, that added together give a triangular number (19791486 = T₆₂₉₁).

The spelling of 197829068580 in words is "one hundred ninety-seven billion, eight hundred twenty-nine million, sixty-eight thousand, five hundred eighty".