13078937784247 has 2 divisors, whose sum is σ = 13078937784248. Its totient is φ = 13078937784246.

The previous prime is 13078937784233. The next prime is 13078937784337. The reversal of 13078937784247 is 74248773987031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13078937784247 - 2³⁹ = 12529181970359 is a prime.

It is a super-2 number, since 2×13078937784247² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13078937764247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6539468892123 + 6539468892124.

It is an arithmetic number, because the mean of its divisors is an integer number (6539468892124).

Almost surely, 2^{13078937784247} is an apocalyptic number.

13078937784247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13078937784247 is an equidigital number, since it uses as much as digits as its factorization.

13078937784247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 398297088, while the sum is 70.

The spelling of 13078937784247 in words is "thirteen trillion, seventy-eight billion, nine hundred thirty-seven million, seven hundred eighty-four thousand, two hundred forty-seven".