86350987 has 2 divisors, whose sum is σ = 86350988. Its totient is φ = 86350986.

The previous prime is 86350921. The next prime is 86351003. The reversal of 86350987 is 78905368.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86350987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86350087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43175493 + 43175494.

It is an arithmetic number, because the mean of its divisors is an integer number (43175494).

Almost surely, 2^86350987 is an apocalyptic number.

86350987 is a deficient number, since it is larger than the sum of its proper divisors (1).

86350987 is an equidigital number, since it uses as much as digits as its factorization.

86350987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 86350987 is about 9292.5231772646. The cubic root of 86350987 is about 442.0001689154. Note that the first 3 decimals are identical.

The spelling of 86350987 in words is "eighty-six million, three hundred fifty thousand, nine hundred eighty-seven".