16772771 has 2 divisors, whose sum is σ = 16772772. Its totient is φ = 16772770.

The previous prime is 16772753. The next prime is 16772779. The reversal of 16772771 is 17727761.

It is a strong prime.

It is an emirp because it is prime and its reverse (17727761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16772771 is a prime.

It is equal to p_1077599 and since 16772771 and 1077599 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16772779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8386385 + 8386386.

It is an arithmetic number, because the mean of its divisors is an integer number (8386386).

Almost surely, 2^16772771 is an apocalyptic number.

16772771 is a deficient number, since it is larger than the sum of its proper divisors (1).

16772771 is an equidigital number, since it uses as much as digits as its factorization.

16772771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28812, while the sum is 38.

The square root of 16772771 is about 4095.4573615165. The cubic root of 16772771 is about 255.9773895639.

The spelling of 16772771 in words is "sixteen million, seven hundred seventy-two thousand, seven hundred seventy-one".