16755070777 has 2 divisors, whose sum is σ = 16755070778. Its totient is φ = 16755070776.

The previous prime is 16755070771. The next prime is 16755070781. The reversal of 16755070777 is 77707055761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10555713081 + 6199357696 = 102741^2 + 78736^2 .

It is an emirp because it is prime and its reverse (77707055761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16755070777 - 2⁷ = 16755070649 is a prime.

It is not a weakly prime, because it can be changed into another prime (16755070771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8377535388 + 8377535389.

It is an arithmetic number, because the mean of its divisors is an integer number (8377535389).

Almost surely, 2^16755070777 is an apocalyptic number.

It is an amenable number.

16755070777 is a deficient number, since it is larger than the sum of its proper divisors (1).

16755070777 is an equidigital number, since it uses as much as digits as its factorization.

16755070777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2521050, while the sum is 52.

The spelling of 16755070777 in words is "sixteen billion, seven hundred fifty-five million, seventy thousand, seven hundred seventy-seven".