12622599677 has 2 divisors, whose sum is σ = 12622599678. Its totient is φ = 12622599676.

The previous prime is 12622599673. The next prime is 12622599719. The reversal of 12622599677 is 77699522621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12559460761 + 63138916 = 112069^2 + 7946^2 .

It is a cyclic number.

It is not a de Polignac number, because 12622599677 - 2² = 12622599673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12622599673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6311299838 + 6311299839.

It is an arithmetic number, because the mean of its divisors is an integer number (6311299839).

Almost surely, 2^12622599677 is an apocalyptic number.

It is an amenable number.

12622599677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12622599677 is an equidigital number, since it uses as much as digits as its factorization.

12622599677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 56.

The spelling of 12622599677 in words is "twelve billion, six hundred twenty-two million, five hundred ninety-nine thousand, six hundred seventy-seven".