2787968412773 has 2 divisors, whose sum is σ = 2787968412774. Its totient is φ = 2787968412772.

The previous prime is 2787968412727. The next prime is 2787968412797. The reversal of 2787968412773 is 3772148697872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2644341056449 + 143627356324 = 1626143^2 + 378982^2 .

It is a cyclic number.

It is not a de Polignac number, because 2787968412773 - 2¹⁶ = 2787968347237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2787968412697 and 2787968412706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2787968414773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1393984206386 + 1393984206387.

It is an arithmetic number, because the mean of its divisors is an integer number (1393984206387).

Almost surely, 2^{2787968412773} is an apocalyptic number.

It is an amenable number.

2787968412773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2787968412773 is an equidigital number, since it uses as much as digits as its factorization.

2787968412773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 398297088, while the sum is 71.

The spelling of 2787968412773 in words is "two trillion, seven hundred eighty-seven billion, nine hundred sixty-eight million, four hundred twelve thousand, seven hundred seventy-three".