16788797 has 2 divisors, whose sum is σ = 16788798. Its totient is φ = 16788796.

The previous prime is 16788769. The next prime is 16788839. The reversal of 16788797 is 79788761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 900601 = 3986^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 16788797 - 2¹⁶ = 16723261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16788727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8394398 + 8394399.

It is an arithmetic number, because the mean of its divisors is an integer number (8394399).

Almost surely, 2^16788797 is an apocalyptic number.

It is an amenable number.

16788797 is a deficient number, since it is larger than the sum of its proper divisors (1).

16788797 is an equidigital number, since it uses as much as digits as its factorization.

16788797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 53.

The square root of 16788797 is about 4097.4134524112. The cubic root of 16788797 is about 256.0588904638.

The spelling of 16788797 in words is "sixteen million, seven hundred eighty-eight thousand, seven hundred ninety-seven".