47979057179 has 4 divisors (see below), whose sum is σ = 47986141560. Its totient is φ = 47971972800.

The previous prime is 47979057097. The next prime is 47979057209. The reversal of 47979057179 is 97175097974.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47979057179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47979057079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532022 + ... + 3545579.

It is an arithmetic number, because the mean of its divisors is an integer number (11996535390).

Almost surely, 2^47979057179 is an apocalyptic number.

47979057179 is a deficient number, since it is larger than the sum of its proper divisors (7084381).

47979057179 is an equidigital number, since it uses as much as digits as its factorization.

47979057179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084380.

The product of its (nonzero) digits is 35006580, while the sum is 65.

It can be divided in two parts, 4797905 and 7179, that added together give a palindrome (4805084).

The spelling of 47979057179 in words is "forty-seven billion, nine hundred seventy-nine million, fifty-seven thousand, one hundred seventy-nine".