10887885 has 16 divisors (see below), whose sum is σ = 19356480. Its totient is φ = 5806800.

The previous prime is 10887881. The next prime is 10887917. The reversal of 10887885 is 58878801.

It is a happy number.

It is not a de Polignac number, because 10887885 - 2² = 10887881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10887885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10887881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40191 + ... + 40460.

It is an arithmetic number, because the mean of its divisors is an integer number (1209780).

Almost surely, 2^10887885 is an apocalyptic number.

10887885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10887885 is a deficient number, since it is larger than the sum of its proper divisors (8468595).

10887885 is an equidigital number, since it uses as much as digits as its factorization.

10887885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80665 (or 80659 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The square root of 10887885 is about 3299.6795298938. The cubic root of 10887885 is about 221.6398470074.

The spelling of 10887885 in words is "ten million, eight hundred eighty-seven thousand, eight hundred eighty-five".