12772420879 has 2 divisors, whose sum is σ = 12772420880. Its totient is φ = 12772420878.

The previous prime is 12772420867. The next prime is 12772420891. The reversal of 12772420879 is 97802427721.

It is a balanced prime because it is at equal distance from previous prime (12772420867) and next prime (12772420891).

It is a cyclic number.

It is not a de Polignac number, because 12772420879 - 2⁵ = 12772420847 is a prime.

It is a super-2 number, since 2×12772420879² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12772420079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386210439 + 6386210440.

It is an arithmetic number, because the mean of its divisors is an integer number (6386210440).

Almost surely, 2^12772420879 is an apocalyptic number.

12772420879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12772420879 is an equidigital number, since it uses as much as digits as its factorization.

12772420879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 12772420879 in words is "twelve billion, seven hundred seventy-two million, four hundred twenty thousand, eight hundred seventy-nine".