28076885633 has 2 divisors, whose sum is σ = 28076885634. Its totient is φ = 28076885632.

The previous prime is 28076885587. The next prime is 28076885689. The reversal of 28076885633 is 33658867082.

It is an a-pointer prime, because the next prime (28076885689) can be obtained adding 28076885633 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., 14840843329 + 13236042304 = 121823^2 + 115048^2 .

It is a cyclic number.

It is not a de Polignac number, because 28076885633 - 2⁶ = 28076885569 is a prime.

It is not a weakly prime, because it can be changed into another prime (28076885693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14038442816 + 14038442817.

It is an arithmetic number, because the mean of its divisors is an integer number (14038442817).

Almost surely, 2^28076885633 is an apocalyptic number.

It is an amenable number.

28076885633 is a deficient number, since it is larger than the sum of its proper divisors (1).

28076885633 is an equidigital number, since it uses as much as digits as its factorization.

28076885633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 28076885633 in words is "twenty-eight billion, seventy-six million, eight hundred eighty-five thousand, six hundred thirty-three".