12277858979 has 2 divisors, whose sum is σ = 12277858980. Its totient is φ = 12277858978.

The previous prime is 12277858973. The next prime is 12277858991. The reversal of 12277858979 is 97985877221.

12277858979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12277858979 is a prime.

It is a super-2 number, since 2×12277858979² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12277858973) 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, 6138929489 + 6138929490.

It is an arithmetic number, because the mean of its divisors is an integer number (6138929490).

Almost surely, 2^12277858979 is an apocalyptic number.

12277858979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12277858979 is an equidigital number, since it uses as much as digits as its factorization.

12277858979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35562240, while the sum is 65.

The spelling of 12277858979 in words is "twelve billion, two hundred seventy-seven million, eight hundred fifty-eight thousand, nine hundred seventy-nine".