16387867 has 2 divisors, whose sum is σ = 16387868. Its totient is φ = 16387866.

The previous prime is 16387853. The next prime is 16387873. The reversal of 16387867 is 76878361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16387867 - 2¹¹ = 16385819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16387807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8193933 + 8193934.

It is an arithmetic number, because the mean of its divisors is an integer number (8193934).

Almost surely, 2^16387867 is an apocalyptic number.

16387867 is a deficient number, since it is larger than the sum of its proper divisors (1).

16387867 is an equidigital number, since it uses as much as digits as its factorization.

16387867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 16387867 is about 4048.1930536969. The cubic root of 16387867 is about 254.0041487739.

The spelling of 16387867 in words is "sixteen million, three hundred eighty-seven thousand, eight hundred sixty-seven".