28288771843 has 2 divisors, whose sum is σ = 28288771844. Its totient is φ = 28288771842.

The previous prime is 28288771811. The next prime is 28288771867. The reversal of 28288771843 is 34817788282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28288771843 - 2⁵ = 28288771811 is a prime.

It is a super-2 number, since 2×28288771843² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28288771873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14144385921 + 14144385922.

It is an arithmetic number, because the mean of its divisors is an integer number (14144385922).

Almost surely, 2^28288771843 is an apocalyptic number.

28288771843 is a deficient number, since it is larger than the sum of its proper divisors (1).

28288771843 is an equidigital number, since it uses as much as digits as its factorization.

28288771843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9633792, while the sum is 58.

The spelling of 28288771843 in words is "twenty-eight billion, two hundred eighty-eight million, seven hundred seventy-one thousand, eight hundred forty-three".