105868887 has 8 divisors (see below), whose sum is σ = 141578736. Its totient is φ = 70369152.

The previous prime is 105868853. The next prime is 105868897. The reversal of 105868887 is 788868501.

It is a happy number.

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

It is not a de Polignac number, because 105868887 - 2¹⁹ = 105344599 is a prime.

It is a super-2 number, since 2×105868887² = 22416442469237538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105868897) 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 7 ways as a sum of consecutive naturals, for example, 51348 + ... + 53369.

It is an arithmetic number, because the mean of its divisors is an integer number (17697342).

Almost surely, 2^105868887 is an apocalyptic number.

105868887 is a deficient number, since it is larger than the sum of its proper divisors (35709849).

105868887 is a wasteful number, since it uses less digits than its factorization.

105868887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105057.

The product of its (nonzero) digits is 860160, while the sum is 51.

The square root of 105868887 is about 10289.2607606183. The cubic root of 105868887 is about 473.0671401608.

The spelling of 105868887 in words is "one hundred five million, eight hundred sixty-eight thousand, eight hundred eighty-seven".