197895047 has 8 divisors (see below), whose sum is σ = 226347552. Its totient is φ = 169488000.

The previous prime is 197895031. The next prime is 197895053. The reversal of 197895047 is 740598791.

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 197895047 - 2⁴ = 197895031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197894986 and 197895004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197895007) 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, 1454 + ... + 19947.

It is an arithmetic number, because the mean of its divisors is an integer number (28293444).

Almost surely, 2^197895047 is an apocalyptic number.

197895047 is a deficient number, since it is larger than the sum of its proper divisors (28452505).

197895047 is a wasteful number, since it uses less digits than its factorization.

197895047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 197895047 is about 14067.5174426762. The cubic root of 197895047 is about 582.7446676133.

The spelling of 197895047 in words is "one hundred ninety-seven million, eight hundred ninety-five thousand, forty-seven".