197476973207 has 4 divisors (see below), whose sum is σ = 202069461000. Its totient is φ = 192884485416.

The previous prime is 197476973189. The next prime is 197476973227. The reversal of 197476973207 is 702379674791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702379674791 = 1543 ⋅455203937.

It is a cyclic number.

It is not a de Polignac number, because 197476973207 - 2¹⁰ = 197476972183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197476973207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197476973227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296243832 + ... + 2296243917.

It is an arithmetic number, because the mean of its divisors is an integer number (50517365250).

Almost surely, 2^197476973207 is an apocalyptic number.

197476973207 is a deficient number, since it is larger than the sum of its proper divisors (4592487793).

197476973207 is an equidigital number, since it uses as much as digits as its factorization.

197476973207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592487792.

The product of its (nonzero) digits is 28005264, while the sum is 62.

The spelling of 197476973207 in words is "one hundred ninety-seven billion, four hundred seventy-six million, nine hundred seventy-three thousand, two hundred seven".