78530342224427 has 2 divisors, whose sum is σ = 78530342224428. Its totient is φ = 78530342224426.

The previous prime is 78530342224409. The next prime is 78530342224463. The reversal of 78530342224427 is 72442224303587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78530342224427 - 2¹² = 78530342220331 is a prime.

It is not a weakly prime, because it can be changed into another prime (78530342221427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39265171112213 + 39265171112214.

It is an arithmetic number, because the mean of its divisors is an integer number (39265171112214).

Almost surely, 2^{78530342224427} is an apocalyptic number.

78530342224427 is a deficient number, since it is larger than the sum of its proper divisors (1).

78530342224427 is an equidigital number, since it uses as much as digits as its factorization.

78530342224427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18063360, while the sum is 53.

The spelling of 78530342224427 in words is "seventy-eight trillion, five hundred thirty billion, three hundred forty-two million, two hundred twenty-four thousand, four hundred twenty-seven".