16040777 has 2 divisors, whose sum is σ = 16040778. Its totient is φ = 16040776.

The previous prime is 16040749. The next prime is 16040779. The reversal of 16040777 is 77704061.

16040777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9634816 + 6405961 = 3104^2 + 2531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16040777 is a prime.

Together with 16040779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16040779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8020388 + 8020389.

It is an arithmetic number, because the mean of its divisors is an integer number (8020389).

Almost surely, 2^16040777 is an apocalyptic number.

It is an amenable number.

16040777 is a deficient number, since it is larger than the sum of its proper divisors (1).

16040777 is an equidigital number, since it uses as much as digits as its factorization.

16040777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 16040777 is about 4005.0938815463. The cubic root of 16040777 is about 252.1980942187.

The spelling of 16040777 in words is "sixteen million, forty thousand, seven hundred seventy-seven".