10081887 has 4 divisors (see below), whose sum is σ = 13442520. Its totient is φ = 6721256.

The previous prime is 10081873. The next prime is 10081933. The reversal of 10081887 is 78818001.

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 10081887 - 2⁷ = 10081759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10081807) 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, 1680312 + ... + 1680317.

It is an arithmetic number, because the mean of its divisors is an integer number (3360630).

Almost surely, 2^10081887 is an apocalyptic number.

10081887 is a deficient number, since it is larger than the sum of its proper divisors (3360633).

10081887 is an equidigital number, since it uses as much as digits as its factorization.

10081887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360632.

The product of its (nonzero) digits is 3584, while the sum is 33.

The square root of 10081887 is about 3175.1987339378. The cubic root of 10081887 is about 216.0299384085.

Adding to 10081887 its reverse (78818001), we get a palindrome (88899888).

The spelling of 10081887 in words is "ten million, eighty-one thousand, eight hundred eighty-seven".