16776777053 has 2 divisors, whose sum is σ = 16776777054. Its totient is φ = 16776777052.

The previous prime is 16776777049. The next prime is 16776777137. The reversal of 16776777053 is 35077767761.

16776777053 is nontrivially palindromic in base 7.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16017939844 + 758837209 = 126562^2 + 27547^2 .

It is a cyclic number.

It is not a de Polignac number, because 16776777053 - 2² = 16776777049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16776777053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16776777023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8388388526 + 8388388527.

It is an arithmetic number, because the mean of its divisors is an integer number (8388388527).

Almost surely, 2^16776777053 is an apocalyptic number.

It is an amenable number.

16776777053 is a deficient number, since it is larger than the sum of its proper divisors (1).

16776777053 is an equidigital number, since it uses as much as digits as its factorization.

16776777053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9075780, while the sum is 56.

The spelling of 16776777053 in words is "sixteen billion, seven hundred seventy-six million, seven hundred seventy-seven thousand, fifty-three".