16883987 has 2 divisors, whose sum is σ = 16883988. Its totient is φ = 16883986.

The previous prime is 16883983. The next prime is 16884011. The reversal of 16883987 is 78938861.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (78938861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16883987 - 2² = 16883983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16883983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8441993 + 8441994.

It is an arithmetic number, because the mean of its divisors is an integer number (8441994).

Almost surely, 2^16883987 is an apocalyptic number.

16883987 is a deficient number, since it is larger than the sum of its proper divisors (1).

16883987 is an equidigital number, since it uses as much as digits as its factorization.

16883987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 50.

The square root of 16883987 is about 4109.0128984952. The cubic root of 16883987 is about 256.5419174136.

The spelling of 16883987 in words is "sixteen million, eight hundred eighty-three thousand, nine hundred eighty-seven".