28312826671 has 2 divisors, whose sum is σ = 28312826672. Its totient is φ = 28312826670.

The previous prime is 28312826617. The next prime is 28312826713. The reversal of 28312826671 is 17662821382.

Together with previous prime (28312826617) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28312826671 - 2²¹ = 28310729519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28312326671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14156413335 + 14156413336.

It is an arithmetic number, because the mean of its divisors is an integer number (14156413336).

Almost surely, 2^28312826671 is an apocalyptic number.

28312826671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28312826671 is an equidigital number, since it uses as much as digits as its factorization.

28312826671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The spelling of 28312826671 in words is "twenty-eight billion, three hundred twelve million, eight hundred twenty-six thousand, six hundred seventy-one".