28806664852711 has 2 divisors, whose sum is σ = 28806664852712. Its totient is φ = 28806664852710.

The previous prime is 28806664852643. The next prime is 28806664852717. The reversal of 28806664852711 is 11725846660882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28806664852711 - 2²⁵ = 28806631298279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28806664852717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14403332426355 + 14403332426356.

It is an arithmetic number, because the mean of its divisors is an integer number (14403332426356).

Almost surely, 2^{28806664852711} is an apocalyptic number.

28806664852711 is a deficient number, since it is larger than the sum of its proper divisors (1).

28806664852711 is an equidigital number, since it uses as much as digits as its factorization.

28806664852711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61931520, while the sum is 64.

It can be divided in two parts, 2880666 and 4852711, that added together give a palindrome (7733377).

The spelling of 28806664852711 in words is "twenty-eight trillion, eight hundred six billion, six hundred sixty-four million, eight hundred fifty-two thousand, seven hundred eleven".