28099182969677 has 2 divisors, whose sum is σ = 28099182969678. Its totient is φ = 28099182969676.

The previous prime is 28099182969667. The next prime is 28099182969743. The reversal of 28099182969677 is 77696928199082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17635581876676 + 10463601093001 = 4199474^2 + 3234749^2 .

It is a cyclic number.

It is not a de Polignac number, because 28099182969677 - 2⁴ = 28099182969661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28099182969595 and 28099182969604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28099182969667) 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, 14049591484838 + 14049591484839.

It is an arithmetic number, because the mean of its divisors is an integer number (14049591484839).

Almost surely, 2^{28099182969677} is an apocalyptic number.

It is an amenable number.

28099182969677 is a deficient number, since it is larger than the sum of its proper divisors (1).

28099182969677 is an equidigital number, since it uses as much as digits as its factorization.

28099182969677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2962842624, while the sum is 83.

The spelling of 28099182969677 in words is "twenty-eight trillion, ninety-nine billion, one hundred eighty-two million, nine hundred sixty-nine thousand, six hundred seventy-seven".