171313827854 has 32 divisors (see below), whose sum is σ = 288828094464. Its totient is φ = 75614916960.

The previous prime is 171313827851. The next prime is 171313827857. The reversal of 171313827854 is 458728313171.

It is an interprime number because it is at equal distance from previous prime (171313827851) and next prime (171313827857).

It is a super-2 number, since 2×171313827854² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171313827851) 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 15 ways as a sum of consecutive naturals, for example, 3245477 + ... + 3297839.

It is an arithmetic number, because the mean of its divisors is an integer number (9025877952).

Almost surely, 2^171313827854 is an apocalyptic number.

171313827854 is a deficient number, since it is larger than the sum of its proper divisors (117514266610).

171313827854 is a wasteful number, since it uses less digits than its factorization.

171313827854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57872.

The product of its digits is 1128960, while the sum is 50.

The spelling of 171313827854 in words is "one hundred seventy-one billion, three hundred thirteen million, eight hundred twenty-seven thousand, eight hundred fifty-four".