28335338971 has 2 divisors, whose sum is σ = 28335338972. Its totient is φ = 28335338970.

The previous prime is 28335338959. The next prime is 28335339029. The reversal of 28335338971 is 17983353382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28335338971 - 2⁵ = 28335338939 is a prime.

It is not a weakly prime, because it can be changed into another prime (28335338071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14167669485 + 14167669486.

It is an arithmetic number, because the mean of its divisors is an integer number (14167669486).

Almost surely, 2^28335338971 is an apocalyptic number.

28335338971 is a deficient number, since it is larger than the sum of its proper divisors (1).

28335338971 is an equidigital number, since it uses as much as digits as its factorization.

28335338971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 52.

The spelling of 28335338971 in words is "twenty-eight billion, three hundred thirty-five million, three hundred thirty-eight thousand, nine hundred seventy-one".