28802703454661 has 2 divisors, whose sum is σ = 28802703454662. Its totient is φ = 28802703454660.

The previous prime is 28802703454607. The next prime is 28802703454717. The reversal of 28802703454661 is 16645430720882.

It is an a-pointer prime, because the next prime (28802703454717) can be obtained adding 28802703454661 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14763960912100 + 14038742542561 = 3842390^2 + 3746831^2 .

It is a cyclic number.

It is not a de Polignac number, because 28802703454661 - 2⁶ = 28802703454597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28802703454597 and 28802703454606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28802703454061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14401351727330 + 14401351727331.

It is an arithmetic number, because the mean of its divisors is an integer number (14401351727331).

Almost surely, 2^{28802703454661} is an apocalyptic number.

It is an amenable number.

28802703454661 is a deficient number, since it is larger than the sum of its proper divisors (1).

28802703454661 is an equidigital number, since it uses as much as digits as its factorization.

28802703454661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 28802703454661 in words is "twenty-eight trillion, eight hundred two billion, seven hundred three million, four hundred fifty-four thousand, six hundred sixty-one".