47175452979 has 4 divisors (see below), whose sum is σ = 62900603976. Its totient is φ = 31450301984.

The previous prime is 47175452957. The next prime is 47175452981. The reversal of 47175452979 is 97925457174.

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 47175452979 - 2⁷ = 47175452851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47175450979) 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, 7862575494 + ... + 7862575499.

It is an arithmetic number, because the mean of its divisors is an integer number (15725150994).

Almost surely, 2^47175452979 is an apocalyptic number.

47175452979 is a deficient number, since it is larger than the sum of its proper divisors (15725150997).

47175452979 is a wasteful number, since it uses less digits than its factorization.

47175452979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15725150996.

The product of its digits is 22226400, while the sum is 60.

The spelling of 47175452979 in words is "forty-seven billion, one hundred seventy-five million, four hundred fifty-two thousand, nine hundred seventy-nine".