13828066477 has 2 divisors, whose sum is σ = 13828066478. Its totient is φ = 13828066476.

The previous prime is 13828066457. The next prime is 13828066583. The reversal of 13828066477 is 77466082831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12926325636 + 901740841 = 113694^2 + 30029^2 .

It is a cyclic number.

It is not a de Polignac number, because 13828066477 - 2⁷ = 13828066349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13828066457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6914033238 + 6914033239.

It is an arithmetic number, because the mean of its divisors is an integer number (6914033239).

Almost surely, 2^13828066477 is an apocalyptic number.

It is an amenable number.

13828066477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13828066477 is an equidigital number, since it uses as much as digits as its factorization.

13828066477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 13828066477 in words is "thirteen billion, eight hundred twenty-eight million, sixty-six thousand, four hundred seventy-seven".