10778977361 has 2 divisors, whose sum is σ = 10778977362. Its totient is φ = 10778977360.

The previous prime is 10778977333. The next prime is 10778977369. The reversal of 10778977361 is 16377987701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8865352336 + 1913625025 = 94156^2 + 43745^2 .

It is a cyclic number.

It is not a de Polignac number, because 10778977361 - 2³⁰ = 9705235537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10778977297 and 10778977306.

It is not a weakly prime, because it can be changed into another prime (10778977369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5389488680 + 5389488681.

It is an arithmetic number, because the mean of its divisors is an integer number (5389488681).

Almost surely, 2^10778977361 is an apocalyptic number.

It is an amenable number.

10778977361 is a deficient number, since it is larger than the sum of its proper divisors (1).

10778977361 is an equidigital number, since it uses as much as digits as its factorization.

10778977361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3111696, while the sum is 56.

The spelling of 10778977361 in words is "ten billion, seven hundred seventy-eight million, nine hundred seventy-seven thousand, three hundred sixty-one".