47799185279 has 4 divisors (see below), whose sum is σ = 47799722376. Its totient is φ = 47798648184.

The previous prime is 47799185173. The next prime is 47799185339. The reversal of 47799185279 is 97258199774.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47799185279 - 2⁸ = 47799185023 is a prime.

It is a super-2 number, since 2×47799185279² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47799182279) 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, 99644 + ... + 324849.

It is an arithmetic number, because the mean of its divisors is an integer number (11949930594).

Almost surely, 2^47799185279 is an apocalyptic number.

47799185279 is a deficient number, since it is larger than the sum of its proper divisors (537097).

47799185279 is a wasteful number, since it uses less digits than its factorization.

47799185279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537096.

The product of its digits is 80015040, while the sum is 68.

The spelling of 47799185279 in words is "forty-seven billion, seven hundred ninety-nine million, one hundred eighty-five thousand, two hundred seventy-nine".