197620362947 has 4 divisors (see below), whose sum is σ = 225851843376. Its totient is φ = 169388882520.

The previous prime is 197620362887. The next prime is 197620362949. The reversal of 197620362947 is 749263026791.

197620362947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197620362947 - 2²⁰ = 197619314371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197620362892 and 197620362901.

It is not an unprimeable number, because it can be changed into a prime (197620362949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14115740204 + ... + 14115740217.

It is an arithmetic number, because the mean of its divisors is an integer number (56462960844).

Almost surely, 2^197620362947 is an apocalyptic number.

197620362947 is a deficient number, since it is larger than the sum of its proper divisors (28231480429).

197620362947 is an equidigital number, since it uses as much as digits as its factorization.

197620362947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28231480428.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 197620362947 in words is "one hundred ninety-seven billion, six hundred twenty million, three hundred sixty-two thousand, nine hundred forty-seven".