16747897 has 2 divisors, whose sum is σ = 16747898. Its totient is φ = 16747896.

The previous prime is 16747883. The next prime is 16747909. The reversal of 16747897 is 79874761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10137856 + 6610041 = 3184^2 + 2571^2 .

It is a cyclic number.

It is not a de Polignac number, because 16747897 - 2¹⁵ = 16715129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16747897.

It is not a weakly prime, because it can be changed into another prime (16747837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8373948 + 8373949.

It is an arithmetic number, because the mean of its divisors is an integer number (8373949).

Almost surely, 2^16747897 is an apocalyptic number.

It is an amenable number.

16747897 is a deficient number, since it is larger than the sum of its proper divisors (1).

16747897 is an equidigital number, since it uses as much as digits as its factorization.

16747897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 49.

The square root of 16747897 is about 4092.4194555299. The cubic root of 16747897 is about 255.8507889028.

The spelling of 16747897 in words is "sixteen million, seven hundred forty-seven thousand, eight hundred ninety-seven".