70776774366773 has 2 divisors, whose sum is σ = 70776774366774. Its totient is φ = 70776774366772.

The previous prime is 70776774366763. The next prime is 70776774366811. The reversal of 70776774366773 is 37766347767707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70542898636324 + 233875730449 = 8398982^2 + 483607^2 .

It is a cyclic number.

It is not a de Polignac number, because 70776774366773 - 2¹⁴ = 70776774350389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70776774366694 and 70776774366703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70776774366703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35388387183386 + 35388387183387.

It is an arithmetic number, because the mean of its divisors is an integer number (35388387183387).

Almost surely, 2^{70776774366773} is an apocalyptic number.

It is an amenable number.

70776774366773 is a deficient number, since it is larger than the sum of its proper divisors (1).

70776774366773 is an equidigital number, since it uses as much as digits as its factorization.

70776774366773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6403870368, while the sum is 77.

The spelling of 70776774366773 in words is "seventy trillion, seven hundred seventy-six billion, seven hundred seventy-four million, three hundred sixty-six thousand, seven hundred seventy-three".