47030511771 has 6 divisors (see below), whose sum is σ = 67932961460. Its totient is φ = 31353674508.

The previous prime is 47030511769. The next prime is 47030511797. The reversal of 47030511771 is 17711503074.

47030511771 is a `hidden beast` number, since 4 + 70 + 3 + 0 + 511 + 7 + 71 = 666.

It is not a de Polignac number, because 47030511771 - 2¹ = 47030511769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47030511701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2612806201 + ... + 2612806218.

Almost surely, 2^47030511771 is an apocalyptic number.

47030511771 is a deficient number, since it is larger than the sum of its proper divisors (20902449689).

47030511771 is a wasteful number, since it uses less digits than its factorization.

47030511771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225612425 (or 5225612422 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The spelling of 47030511771 in words is "forty-seven billion, thirty million, five hundred eleven thousand, seven hundred seventy-one".