10871887 has 4 divisors (see below), whose sum is σ = 11708200. Its totient is φ = 10035576.

The previous prime is 10871881. The next prime is 10871941. The reversal of 10871887 is 78817801.

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

It is a cyclic number.

It is not a de Polignac number, because 10871887 - 2³ = 10871879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10871881) 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, 418137 + ... + 418162.

It is an arithmetic number, because the mean of its divisors is an integer number (2927050).

Almost surely, 2^10871887 is an apocalyptic number.

10871887 is a deficient number, since it is larger than the sum of its proper divisors (836313).

10871887 is an equidigital number, since it uses as much as digits as its factorization.

10871887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836312.

The product of its (nonzero) digits is 25088, while the sum is 40.

The square root of 10871887 is about 3297.2544639442. The cubic root of 10871887 is about 221.5312390653.

The spelling of 10871887 in words is "ten million, eight hundred seventy-one thousand, eight hundred eighty-seven".