28114387541 has 2 divisors, whose sum is σ = 28114387542. Its totient is φ = 28114387540.

The previous prime is 28114387523. The next prime is 28114387577. The reversal of 28114387541 is 14578341182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22244529316 + 5869858225 = 149146^2 + 76615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28114387541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28114387492 and 28114387501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28114383541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14057193770 + 14057193771.

It is an arithmetic number, because the mean of its divisors is an integer number (14057193771).

Almost surely, 2^28114387541 is an apocalyptic number.

It is an amenable number.

28114387541 is a deficient number, since it is larger than the sum of its proper divisors (1).

28114387541 is an equidigital number, since it uses as much as digits as its factorization.

28114387541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 44.

The spelling of 28114387541 in words is "twenty-eight billion, one hundred fourteen million, three hundred eighty-seven thousand, five hundred forty-one".