86560387 has 2 divisors, whose sum is σ = 86560388. Its totient is φ = 86560386.

The previous prime is 86560343. The next prime is 86560391. The reversal of 86560387 is 78306568.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86560387 is a prime.

It is not a weakly prime, because it can be changed into another prime (86560087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43280193 + 43280194.

It is an arithmetic number, because the mean of its divisors is an integer number (43280194).

Almost surely, 2^86560387 is an apocalyptic number.

86560387 is a deficient number, since it is larger than the sum of its proper divisors (1).

86560387 is an equidigital number, since it uses as much as digits as its factorization.

86560387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 86560387 is about 9303.7834777041. The cubic root of 86560387 is about 442.3571620217.

The spelling of 86560387 in words is "eighty-six million, five hundred sixty thousand, three hundred eighty-seven".