12577730831 has 2 divisors, whose sum is σ = 12577730832. Its totient is φ = 12577730830.

The previous prime is 12577730813. The next prime is 12577730833. The reversal of 12577730831 is 13803777521.

Together with previous prime (12577730813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12577730831 - 2¹⁴ = 12577714447 is a prime.

It is a super-2 number, since 2×12577730831² (a number of 21 digits) contains 22 as substring.

Together with 12577730833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12577730833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288865415 + 6288865416.

It is an arithmetic number, because the mean of its divisors is an integer number (6288865416).

Almost surely, 2^12577730831 is an apocalyptic number.

12577730831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12577730831 is an equidigital number, since it uses as much as digits as its factorization.

12577730831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 12577730831 in words is "twelve billion, five hundred seventy-seven million, seven hundred thirty thousand, eight hundred thirty-one".