78713477399 has 2 divisors, whose sum is σ = 78713477400. Its totient is φ = 78713477398.

The previous prime is 78713477341. The next prime is 78713477411. The reversal of 78713477399 is 99377431787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78713477399 - 2²⁴ = 78696700183 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 (78713470399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39356738699 + 39356738700.

It is an arithmetic number, because the mean of its divisors is an integer number (39356738700).

Almost surely, 2^78713477399 is an apocalyptic number.

78713477399 is a deficient number, since it is larger than the sum of its proper divisors (1).

78713477399 is an equidigital number, since it uses as much as digits as its factorization.

78713477399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56010528, while the sum is 65.

The spelling of 78713477399 in words is "seventy-eight billion, seven hundred thirteen million, four hundred seventy-seven thousand, three hundred ninety-nine".