47857065071 has 4 divisors (see below), whose sum is σ = 48026171592. Its totient is φ = 47687958552.

The previous prime is 47857065037. The next prime is 47857065073. The reversal of 47857065071 is 17056075874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17056075874 = 2 ⋅8528037937.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47857065071 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 (47857065073) 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, 84552836 + ... + 84553401.

It is an arithmetic number, because the mean of its divisors is an integer number (12006542898).

Almost surely, 2^47857065071 is an apocalyptic number.

47857065071 is a deficient number, since it is larger than the sum of its proper divisors (169106521).

47857065071 is a wasteful number, since it uses less digits than its factorization.

47857065071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169106520.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 47857065071 in words is "forty-seven billion, eight hundred fifty-seven million, sixty-five thousand, seventy-one".