47564927517 has 4 divisors (see below), whose sum is σ = 63419903360. Its totient is φ = 31709951676.

The previous prime is 47564927507. The next prime is 47564927533. The reversal of 47564927517 is 71572946574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47564927517 - 2⁸ = 47564927261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47564927507) 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, 7927487917 + ... + 7927487922.

It is an arithmetic number, because the mean of its divisors is an integer number (15854975840).

Almost surely, 2^47564927517 is an apocalyptic number.

It is an amenable number.

47564927517 is a deficient number, since it is larger than the sum of its proper divisors (15854975843).

47564927517 is a wasteful number, since it uses less digits than its factorization.

47564927517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15854975842.

The product of its digits is 14817600, while the sum is 57.

The spelling of 47564927517 in words is "forty-seven billion, five hundred sixty-four million, nine hundred twenty-seven thousand, five hundred seventeen".