871057050428247 has 8 divisors (see below), whose sum is σ = 1229727600604656. Its totient is φ = 546545600268672.

The previous prime is 871057050428209. The next prime is 871057050428291. The reversal of 871057050428247 is 742824050750178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 871057050428247 - 2¹² = 871057050424151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871057050408247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8539775004148 + ... + 8539775004249.

It is an arithmetic number, because the mean of its divisors is an integer number (153715950075582).

Almost surely, 2^{871057050428247} is an apocalyptic number.

871057050428247 is a deficient number, since it is larger than the sum of its proper divisors (358670550176409).

871057050428247 is a wasteful number, since it uses less digits than its factorization.

871057050428247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17079550008417.

The product of its (nonzero) digits is 35123200, while the sum is 60.

The spelling of 871057050428247 in words is "eight hundred seventy-one trillion, fifty-seven billion, fifty million, four hundred twenty-eight thousand, two hundred forty-seven".