105887881 has 4 divisors (see below), whose sum is σ = 115514064. Its totient is φ = 96261700.

The previous prime is 105887879. The next prime is 105887911. The reversal of 105887881 is 188788501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105887881 - 2¹ = 105887879 is a prime.

It is a super-2 number, since 2×105887881² = 22424486685340322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105887981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4813075 + ... + 4813096.

It is an arithmetic number, because the mean of its divisors is an integer number (28878516).

Almost surely, 2^105887881 is an apocalyptic number.

105887881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105887881 is a deficient number, since it is larger than the sum of its proper divisors (9626183).

105887881 is an equidigital number, since it uses as much as digits as its factorization.

105887881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626182.

The product of its (nonzero) digits is 143360, while the sum is 46.

The square root of 105887881 is about 10290.1837204202. The cubic root of 105887881 is about 473.0954295548.

The spelling of 105887881 in words is "one hundred five million, eight hundred eighty-seven thousand, eight hundred eighty-one".