10840087 has 2 divisors, whose sum is σ = 10840088. Its totient is φ = 10840086.

The previous prime is 10840069. The next prime is 10840091. The reversal of 10840087 is 78004801.

10840087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10840087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10840057) 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 as a sum of consecutive naturals, namely, 5420043 + 5420044.

It is an arithmetic number, because the mean of its divisors is an integer number (5420044).

Almost surely, 2^10840087 is an apocalyptic number.

10840087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10840087 is an equidigital number, since it uses as much as digits as its factorization.

10840087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 10840087 is about 3292.4287387884. The cubic root of 10840087 is about 221.3150370051.

Adding to 10840087 its reverse (78004801), we get a palindrome (88844888).

The spelling of 10840087 in words is "ten million, eight hundred forty thousand, eighty-seven".