28846661087 has 2 divisors, whose sum is σ = 28846661088. Its totient is φ = 28846661086.

The previous prime is 28846661033. The next prime is 28846661119. The reversal of 28846661087 is 78016664882.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28846661087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28846661017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14423330543 + 14423330544.

It is an arithmetic number, because the mean of its divisors is an integer number (14423330544).

Almost surely, 2^28846661087 is an apocalyptic number.

28846661087 is a deficient number, since it is larger than the sum of its proper divisors (1).

28846661087 is an equidigital number, since it uses as much as digits as its factorization.

28846661087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 28846661087 in words is "twenty-eight billion, eight hundred forty-six million, six hundred sixty-one thousand, eighty-seven".