7774048661563 has 2 divisors, whose sum is σ = 7774048661564. Its totient is φ = 7774048661562.

The previous prime is 7774048661557. The next prime is 7774048661593. The reversal of 7774048661563 is 3651668404777.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3651668404777) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7774048661563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7774048661495 and 7774048661504.

It is not a weakly prime, because it can be changed into another prime (7774048661503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3887024330781 + 3887024330782.

It is an arithmetic number, because the mean of its divisors is an integer number (3887024330782).

Almost surely, 2^{7774048661563} is an apocalyptic number.

7774048661563 is a deficient number, since it is larger than the sum of its proper divisors (1).

7774048661563 is an equidigital number, since it uses as much as digits as its factorization.

7774048661563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142248960, while the sum is 64.

The spelling of 7774048661563 in words is "seven trillion, seven hundred seventy-four billion, forty-eight million, six hundred sixty-one thousand, five hundred sixty-three".