197189027 has 8 divisors (see below), whose sum is σ = 229053792. Its totient is φ = 166248000.

The previous prime is 197188997. The next prime is 197189029. The reversal of 197189027 is 720981791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197189027 - 2¹² = 197184931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197189029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230474 + ... + 231327.

It is an arithmetic number, because the mean of its divisors is an integer number (28631724).

Almost surely, 2^197189027 is an apocalyptic number.

197189027 is a deficient number, since it is larger than the sum of its proper divisors (31864765).

197189027 is an equidigital number, since it uses as much as digits as its factorization.

197189027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461869.

The product of its (nonzero) digits is 63504, while the sum is 44.

The square root of 197189027 is about 14042.4010411325. The cubic root of 197189027 is about 582.0508324263.

The spelling of 197189027 in words is "one hundred ninety-seven million, one hundred eighty-nine thousand, twenty-seven".