7071057871 has 16 divisors (see below), whose sum is σ = 7424068608. Its totient is φ = 6726844800.

The previous prime is 7071057863. The next prime is 7071057893. The reversal of 7071057871 is 1787501707.

It is a cyclic number.

It is not a de Polignac number, because 7071057871 - 2³ = 7071057863 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 (7071057971) 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, 426391 + ... + 442663.

It is an arithmetic number, because the mean of its divisors is an integer number (464004288).

Almost surely, 2^7071057871 is an apocalyptic number.

7071057871 is a deficient number, since it is larger than the sum of its proper divisors (353010737).

7071057871 is a wasteful number, since it uses less digits than its factorization.

7071057871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16542.

The product of its (nonzero) digits is 96040, while the sum is 43.

The square root of 7071057871 is about 84089.5824166109. The cubic root of 7071057871 is about 1919.3822042107.

The spelling of 7071057871 in words is "seven billion, seventy-one million, fifty-seven thousand, eight hundred seventy-one".