28527347773 has 2 divisors, whose sum is σ = 28527347774. Its totient is φ = 28527347772.

The previous prime is 28527347747. The next prime is 28527347839. The reversal of 28527347773 is 37774372582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16888821849 + 11638525924 = 129957^2 + 107882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28527347773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28527345773) 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, 14263673886 + 14263673887.

It is an arithmetic number, because the mean of its divisors is an integer number (14263673887).

Almost surely, 2^28527347773 is an apocalyptic number.

It is an amenable number.

28527347773 is a deficient number, since it is larger than the sum of its proper divisors (1).

28527347773 is an equidigital number, since it uses as much as digits as its factorization.

28527347773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13829760, while the sum is 55.

The spelling of 28527347773 in words is "twenty-eight billion, five hundred twenty-seven million, three hundred forty-seven thousand, seven hundred seventy-three".