47747081071 has 16 divisors (see below), whose sum is σ = 48528305280. Its totient is φ = 46971233440.

The previous prime is 47747081023. The next prime is 47747081089. The reversal of 47747081071 is 17018074774.

It is a cyclic number.

It is not a de Polignac number, because 47747081071 - 2¹⁵ = 47747048303 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 (47747031071) 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, 31349916 + ... + 31351438.

It is an arithmetic number, because the mean of its divisors is an integer number (3033019080).

Almost surely, 2^47747081071 is an apocalyptic number.

47747081071 is a deficient number, since it is larger than the sum of its proper divisors (781224209).

47747081071 is a wasteful number, since it uses less digits than its factorization.

47747081071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 307328, while the sum is 46.

The spelling of 47747081071 in words is "forty-seven billion, seven hundred forty-seven million, eighty-one thousand, seventy-one".