16085987 has 2 divisors, whose sum is σ = 16085988. Its totient is φ = 16085986.

The previous prime is 16085969. The next prime is 16086001. The reversal of 16085987 is 78958061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16085987 - 2⁸ = 16085731 is a prime.

It is not a weakly prime, because it can be changed into another prime (16085957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8042993 + 8042994.

It is an arithmetic number, because the mean of its divisors is an integer number (8042994).

Almost surely, 2^16085987 is an apocalyptic number.

16085987 is a deficient number, since it is larger than the sum of its proper divisors (1).

16085987 is an equidigital number, since it uses as much as digits as its factorization.

16085987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 16085987 is about 4010.7339727287. The cubic root of 16085987 is about 252.4348072062.

The spelling of 16085987 in words is "sixteen million, eighty-five thousand, nine hundred eighty-seven".