28065051583 has 2 divisors, whose sum is σ = 28065051584. Its totient is φ = 28065051582.

The previous prime is 28065051577. The next prime is 28065051671. The reversal of 28065051583 is 38515056082.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28065051583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28065051683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14032525791 + 14032525792.

It is an arithmetic number, because the mean of its divisors is an integer number (14032525792).

Almost surely, 2^28065051583 is an apocalyptic number.

28065051583 is a deficient number, since it is larger than the sum of its proper divisors (1).

28065051583 is an equidigital number, since it uses as much as digits as its factorization.

28065051583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 43.

It can be divided in two parts, 280650 and 51583, that added together give a palindrome (332233).

The spelling of 28065051583 in words is "twenty-eight billion, sixty-five million, fifty-one thousand, five hundred eighty-three".