47975397197 has 16 divisors (see below), whose sum is σ = 59477655552. Its totient is φ = 37681476480.

The previous prime is 47975397193. The next prime is 47975397257. The reversal of 47975397197 is 79179357974.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47975397197 - 2² = 47975397193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47975397193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1911629 + ... + 1936562.

It is an arithmetic number, because the mean of its divisors is an integer number (3717353472).

Almost surely, 2^47975397197 is an apocalyptic number.

It is an amenable number.

47975397197 is a deficient number, since it is larger than the sum of its proper divisors (11502258355).

47975397197 is a wasteful number, since it uses less digits than its factorization.

47975397197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848348.

The product of its digits is 105019740, while the sum is 68.

The spelling of 47975397197 in words is "forty-seven billion, nine hundred seventy-five million, three hundred ninety-seven thousand, one hundred ninety-seven".