105857671 has 4 divisors (see below), whose sum is σ = 105915600. Its totient is φ = 105799744.

The previous prime is 105857621. The next prime is 105857699. The reversal of 105857671 is 176758501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105857671 is a prime.

It is a super-2 number, since 2×105857671² = 22411693019088482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105857621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26131 + ... + 29908.

It is an arithmetic number, because the mean of its divisors is an integer number (26478900).

Almost surely, 2^105857671 is an apocalyptic number.

105857671 is a deficient number, since it is larger than the sum of its proper divisors (57929).

105857671 is an equidigital number, since it uses as much as digits as its factorization.

105857671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57928.

The product of its (nonzero) digits is 58800, while the sum is 40.

The square root of 105857671 is about 10288.7157118855. The cubic root of 105857671 is about 473.0504336207.

The spelling of 105857671 in words is "one hundred five million, eight hundred fifty-seven thousand, six hundred seventy-one".