871840105 has 8 divisors (see below), whose sum is σ = 1046384064. Its totient is φ = 697354800.

The previous prime is 871840103. The next prime is 871840117. The reversal of 871840105 is 501048178.

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

It is not a de Polignac number, because 871840105 - 2¹ = 871840103 is a prime.

It is a super-2 number, since 2×871840105² = 1520210337372822050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871840103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30940 + ... + 51970.

It is an arithmetic number, because the mean of its divisors is an integer number (130798008).

Almost surely, 2^871840105 is an apocalyptic number.

It is an amenable number.

871840105 is a deficient number, since it is larger than the sum of its proper divisors (174543959).

871840105 is a wasteful number, since it uses less digits than its factorization.

871840105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29327.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 871840105 is about 29526.9386323743. The cubic root of 871840105 is about 955.3128384923.

The spelling of 871840105 in words is "eight hundred seventy-one million, eight hundred forty thousand, one hundred five".