197856080 has 40 divisors (see below), whose sum is σ = 460611144. Its totient is φ = 79040000.

The previous prime is 197856079. The next prime is 197856133. The reversal of 197856080 is 80658791.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17007376 + 180848704 = 4124^2 + 13448^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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, 103130 + ... + 105030.

Almost surely, 2^197856080 is an apocalyptic number.

197856080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197856080 is an abundant number, since it is smaller than the sum of its proper divisors (262755064).

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

197856080 is a wasteful number, since it uses less digits than its factorization.

197856080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 197856080 is about 14066.1323753191. The cubic root of 197856080 is about 582.7064161893.

The spelling of 197856080 in words is "one hundred ninety-seven million, eight hundred fifty-six thousand, eighty".