197230977 has 8 divisors (see below), whose sum is σ = 292194080. Its totient is φ = 131487300.

The previous prime is 197230961. The next prime is 197230987. The reversal of 197230977 is 779032791.

It is not a de Polignac number, because 197230977 - 2⁴ = 197230961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197230927) 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, 3652399 + ... + 3652452.

It is an arithmetic number, because the mean of its divisors is an integer number (36524260).

Almost surely, 2^197230977 is an apocalyptic number.

It is an amenable number.

197230977 is a deficient number, since it is larger than the sum of its proper divisors (94963103).

197230977 is an equidigital number, since it uses as much as digits as its factorization.

197230977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304860 (or 7304854 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 45.

The square root of 197230977 is about 14043.8946521255. The cubic root of 197230977 is about 582.0921046707.

The spelling of 197230977 in words is "one hundred ninety-seven million, two hundred thirty thousand, nine hundred seventy-seven".