10889287 has 2 divisors, whose sum is σ = 10889288. Its totient is φ = 10889286.

The previous prime is 10889273. The next prime is 10889303. The reversal of 10889287 is 78298801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10889287 - 2¹⁹ = 10364999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10889227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5444643 + 5444644.

It is an arithmetic number, because the mean of its divisors is an integer number (5444644).

Almost surely, 2^10889287 is an apocalyptic number.

10889287 is a deficient number, since it is larger than the sum of its proper divisors (1).

10889287 is an equidigital number, since it uses as much as digits as its factorization.

10889287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 10889287 is about 3299.8919679286. The cubic root of 10889287 is about 221.6493598965.

The spelling of 10889287 in words is "ten million, eight hundred eighty-nine thousand, two hundred eighty-seven".