777213063276361 has 16 divisors (see below), whose sum is σ = 804447245422080. Its totient is φ = 750594434768640.

The previous prime is 777213063276359. The next prime is 777213063276379. The reversal of 777213063276361 is 163672360312777.

It is a cyclic number.

It is not a de Polignac number, because 777213063276361 - 2¹ = 777213063276359 is a prime.

It is a super-2 number, since 2×777213063276361² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 777213063276361.

It is not an unprimeable number, because it can be changed into a prime (777213063276341) 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 in 15 ways as a sum of consecutive naturals, for example, 580041745 + ... + 581380126.

It is an arithmetic number, because the mean of its divisors is an integer number (50277952838880).

Almost surely, 2^{777213063276361} is an apocalyptic number.

It is an amenable number.

777213063276361 is a deficient number, since it is larger than the sum of its proper divisors (27234182145719).

777213063276361 is a wasteful number, since it uses less digits than its factorization.

777213063276361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161422136.

The product of its (nonzero) digits is 56010528, while the sum is 61.

The spelling of 777213063276361 in words is "seven hundred seventy-seven trillion, two hundred thirteen billion, sixty-three million, two hundred seventy-six thousand, three hundred sixty-one".