857968824171 has 8 divisors (see below), whose sum is σ = 1211250104784. Its totient is φ = 538333379840.

The previous prime is 857968824161. The next prime is 857968824221. The reversal of 857968824171 is 171428869758.

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

It is a cyclic number.

It is not a de Polignac number, because 857968824171 - 2⁶ = 857968824107 is a prime.

It is a super-2 number, since 2×857968824171² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (857968824101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8411459010 + ... + 8411459111.

It is an arithmetic number, because the mean of its divisors is an integer number (151406263098).

Almost surely, 2^857968824171 is an apocalyptic number.

857968824171 is a deficient number, since it is larger than the sum of its proper divisors (353281280613).

857968824171 is a wasteful number, since it uses less digits than its factorization.

857968824171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16822918141.

The product of its digits is 54190080, while the sum is 66.

The spelling of 857968824171 in words is "eight hundred fifty-seven billion, nine hundred sixty-eight million, eight hundred twenty-four thousand, one hundred seventy-one".