6787378788739 has 2 divisors, whose sum is σ = 6787378788740. Its totient is φ = 6787378788738.

The previous prime is 6787378788689. The next prime is 6787378788829. The reversal of 6787378788739 is 9378878737876.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6787378788739 - 2⁹ = 6787378788227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6787378788739.

It is not a weakly prime, because it can be changed into another prime (6787378788539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393689394369 + 3393689394370.

It is an arithmetic number, because the mean of its divisors is an integer number (3393689394370).

Almost surely, 2^{6787378788739} is an apocalyptic number.

6787378788739 is a deficient number, since it is larger than the sum of its proper divisors (1).

6787378788739 is an equidigital number, since it uses as much as digits as its factorization.

6787378788739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33456955392, while the sum is 88.

The spelling of 6787378788739 in words is "six trillion, seven hundred eighty-seven billion, three hundred seventy-eight million, seven hundred eighty-eight thousand, seven hundred thirty-nine".