7768728169463 has 2 divisors, whose sum is σ = 7768728169464. Its totient is φ = 7768728169462.

The previous prime is 7768728169459. The next prime is 7768728169493. The reversal of 7768728169463 is 3649618278677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7768728169463 - 2² = 7768728169459 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7768728169493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3884364084731 + 3884364084732.

It is an arithmetic number, because the mean of its divisors is an integer number (3884364084732).

Almost surely, 2^{7768728169463} is an apocalyptic number.

7768728169463 is a deficient number, since it is larger than the sum of its proper divisors (1).

7768728169463 is an equidigital number, since it uses as much as digits as its factorization.

7768728169463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024192512, while the sum is 74.

The spelling of 7768728169463 in words is "seven trillion, seven hundred sixty-eight billion, seven hundred twenty-eight million, one hundred sixty-nine thousand, four hundred sixty-three".