10865887 has 2 divisors, whose sum is σ = 10865888. Its totient is φ = 10865886.

The previous prime is 10865857. The next prime is 10865893. The reversal of 10865887 is 78856801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10865887 - 2⁷ = 10865759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10865857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5432943 + 5432944.

It is an arithmetic number, because the mean of its divisors is an integer number (5432944).

Almost surely, 2^10865887 is an apocalyptic number.

10865887 is a deficient number, since it is larger than the sum of its proper divisors (1).

10865887 is an equidigital number, since it uses as much as digits as its factorization.

10865887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 10865887 is about 3296.3444904925. The cubic root of 10865887 is about 221.4904785231.

The spelling of 10865887 in words is "ten million, eight hundred sixty-five thousand, eight hundred eighty-seven".