10777684079509 has 2 divisors, whose sum is σ = 10777684079510. Its totient is φ = 10777684079508.

The previous prime is 10777684079479. The next prime is 10777684079527. The reversal of 10777684079509 is 90597048677701.

10777684079509 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., 10497742560484 + 279941519025 = 3240022^2 + 529095^2 .

It is a cyclic number.

It is not a de Polignac number, because 10777684079509 - 2²¹ = 10777681982357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10777684079549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5388842039754 + 5388842039755.

It is an arithmetic number, because the mean of its divisors is an integer number (5388842039755).

Almost surely, 2^{10777684079509} is an apocalyptic number.

It is an amenable number.

10777684079509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10777684079509 is an equidigital number, since it uses as much as digits as its factorization.

10777684079509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186701760, while the sum is 70.

The spelling of 10777684079509 in words is "ten trillion, seven hundred seventy-seven billion, six hundred eighty-four million, seventy-nine thousand, five hundred nine".