130806627779 has 2 divisors, whose sum is σ = 130806627780. Its totient is φ = 130806627778.

The previous prime is 130806627773. The next prime is 130806627811. The reversal of 130806627779 is 977726608031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130806627779 is a prime.

It is a super-2 number, since 2×130806627779² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130806627773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65403313889 + 65403313890.

It is an arithmetic number, because the mean of its divisors is an integer number (65403313890).

Almost surely, 2^130806627779 is an apocalyptic number.

130806627779 is a deficient number, since it is larger than the sum of its proper divisors (1).

130806627779 is an equidigital number, since it uses as much as digits as its factorization.

130806627779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 130806627779 in words is "one hundred thirty billion, eight hundred six million, six hundred twenty-seven thousand, seven hundred seventy-nine".