28057227627413 has 2 divisors, whose sum is σ = 28057227627414. Its totient is φ = 28057227627412.

The previous prime is 28057227627397. The next prime is 28057227627437. The reversal of 28057227627413 is 31472672275082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16728934370404 + 11328293257009 = 4090102^2 + 3365753^2 .

It is a cyclic number.

It is not a de Polignac number, because 28057227627413 - 2⁴ = 28057227627397 is a prime.

It is a super-2 number, since 2×28057227627413² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28057227627463) 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, 14028613813706 + 14028613813707.

It is an arithmetic number, because the mean of its divisors is an integer number (14028613813707).

Almost surely, 2^{28057227627413} is an apocalyptic number.

It is an amenable number.

28057227627413 is a deficient number, since it is larger than the sum of its proper divisors (1).

28057227627413 is an equidigital number, since it uses as much as digits as its factorization.

28057227627413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 28057227627413 in words is "twenty-eight trillion, fifty-seven billion, two hundred twenty-seven million, six hundred twenty-seven thousand, four hundred thirteen".