78930414313 has 2 divisors, whose sum is σ = 78930414314. Its totient is φ = 78930414312.

The previous prime is 78930414293. The next prime is 78930414361. The reversal of 78930414313 is 31341403987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57258746944 + 21671667369 = 239288^2 + 147213^2 .

It is a cyclic number.

It is not a de Polignac number, because 78930414313 - 2²⁹ = 78393543401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78930414313.

It is not a weakly prime, because it can be changed into another prime (78930415313) 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, 39465207156 + 39465207157.

It is an arithmetic number, because the mean of its divisors is an integer number (39465207157).

Almost surely, 2^78930414313 is an apocalyptic number.

It is an amenable number.

78930414313 is a deficient number, since it is larger than the sum of its proper divisors (1).

78930414313 is an equidigital number, since it uses as much as digits as its factorization.

78930414313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 78930414313 in words is "seventy-eight billion, nine hundred thirty million, four hundred fourteen thousand, three hundred thirteen".