16800000947 has 2 divisors, whose sum is σ = 16800000948. Its totient is φ = 16800000946.

The previous prime is 16800000913. The next prime is 16800000977. The reversal of 16800000947 is 74900000861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16800000947 - 2⁸ = 16800000691 is a prime.

It is not a weakly prime, because it can be changed into another prime (16800000977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400000473 + 8400000474.

It is an arithmetic number, because the mean of its divisors is an integer number (8400000474).

Almost surely, 2^16800000947 is an apocalyptic number.

16800000947 is a deficient number, since it is larger than the sum of its proper divisors (1).

16800000947 is an equidigital number, since it uses as much as digits as its factorization.

16800000947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 16800000947 in words is "sixteen billion, eight hundred million, nine hundred forty-seven", and thus it is an aban number.