28991184763 has 2 divisors, whose sum is σ = 28991184764. Its totient is φ = 28991184762.

The previous prime is 28991184743. The next prime is 28991184823. The reversal of 28991184763 is 36748119982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28991184763 - 2⁹ = 28991184251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28991184698 and 28991184707.

It is not a weakly prime, because it can be changed into another prime (28991184743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14495592381 + 14495592382.

It is an arithmetic number, because the mean of its divisors is an integer number (14495592382).

Almost surely, 2^28991184763 is an apocalyptic number.

28991184763 is a deficient number, since it is larger than the sum of its proper divisors (1).

28991184763 is an equidigital number, since it uses as much as digits as its factorization.

28991184763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 58.

The spelling of 28991184763 in words is "twenty-eight billion, nine hundred ninety-one million, one hundred eighty-four thousand, seven hundred sixty-three".