28907026633 has 2 divisors, whose sum is σ = 28907026634. Its totient is φ = 28907026632.

The previous prime is 28907026601. The next prime is 28907026639. The reversal of 28907026633 is 33662070982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16896620169 + 12010406464 = 129987^2 + 109592^2 .

It is a cyclic number.

It is not a de Polignac number, because 28907026633 - 2⁵ = 28907026601 is a prime.

It is not a weakly prime, because it can be changed into another prime (28907026639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14453513316 + 14453513317.

It is an arithmetic number, because the mean of its divisors is an integer number (14453513317).

Almost surely, 2^28907026633 is an apocalyptic number.

It is an amenable number.

28907026633 is a deficient number, since it is larger than the sum of its proper divisors (1).

28907026633 is an equidigital number, since it uses as much as digits as its factorization.

28907026633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 28907026633 in words is "twenty-eight billion, nine hundred seven million, twenty-six thousand, six hundred thirty-three".