197552871 has 16 divisors (see below), whose sum is σ = 292902400. Its totient is φ = 131597784.

The previous prime is 197552857. The next prime is 197552881. The reversal of 197552871 is 178255791.

197552871 is a `hidden beast` number, since 1 + 97 + 552 + 8 + 7 + 1 = 666.

It is not a de Polignac number, because 197552871 - 2¹⁹ = 197028583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197552881) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48450 + ... + 52368.

It is an arithmetic number, because the mean of its divisors is an integer number (18306400).

Almost surely, 2^197552871 is an apocalyptic number.

197552871 is a deficient number, since it is larger than the sum of its proper divisors (95349529).

197552871 is a wasteful number, since it uses less digits than its factorization.

197552871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795 (or 5789 counting only the distinct ones).

The product of its digits is 176400, while the sum is 45.

The square root of 197552871 is about 14055.3502624445. The cubic root of 197552871 is about 582.4086034896.

The spelling of 197552871 in words is "one hundred ninety-seven million, five hundred fifty-two thousand, eight hundred seventy-one".