16885087 has 2 divisors, whose sum is σ = 16885088. Its totient is φ = 16885086.

The previous prime is 16885073. The next prime is 16885093. The reversal of 16885087 is 78058861.

It is a strong prime.

It is an emirp because it is prime and its reverse (78058861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16885087 - 2²³ = 8496479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16885027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8442543 + 8442544.

It is an arithmetic number, because the mean of its divisors is an integer number (8442544).

Almost surely, 2^16885087 is an apocalyptic number.

16885087 is a deficient number, since it is larger than the sum of its proper divisors (1).

16885087 is an equidigital number, since it uses as much as digits as its factorization.

16885087 is an evil number, because the sum of its binary digits is even.

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

The square root of 16885087 is about 4109.1467484138. The cubic root of 16885087 is about 256.5474885697.

The spelling of 16885087 in words is "sixteen million, eight hundred eighty-five thousand, eighty-seven".