78530587422611 has 2 divisors, whose sum is σ = 78530587422612. Its totient is φ = 78530587422610.

The previous prime is 78530587422589. The next prime is 78530587422619. The reversal of 78530587422611 is 11622478503587.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78530587422611 is a prime.

It is not a weakly prime, because it can be changed into another prime (78530587422619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39265293711305 + 39265293711306.

It is an arithmetic number, because the mean of its divisors is an integer number (39265293711306).

Almost surely, 2^{78530587422611} is an apocalyptic number.

78530587422611 is a deficient number, since it is larger than the sum of its proper divisors (1).

78530587422611 is an equidigital number, since it uses as much as digits as its factorization.

78530587422611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 78530587422611 in words is "seventy-eight trillion, five hundred thirty billion, five hundred eighty-seven million, four hundred twenty-two thousand, six hundred eleven".