28827455663 has 2 divisors, whose sum is σ = 28827455664. Its totient is φ = 28827455662.

The previous prime is 28827455659. The next prime is 28827455681. The reversal of 28827455663 is 36655472882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28827455663 - 2² = 28827455659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28827455599 and 28827455608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28827455963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14413727831 + 14413727832.

It is an arithmetic number, because the mean of its divisors is an integer number (14413727832).

Almost surely, 2^28827455663 is an apocalyptic number.

28827455663 is a deficient number, since it is larger than the sum of its proper divisors (1).

28827455663 is an equidigital number, since it uses as much as digits as its factorization.

28827455663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 56.

The spelling of 28827455663 in words is "twenty-eight billion, eight hundred twenty-seven million, four hundred fifty-five thousand, six hundred sixty-three".