28227227671 has 2 divisors, whose sum is σ = 28227227672. Its totient is φ = 28227227670.

The previous prime is 28227227593. The next prime is 28227227683. The reversal of 28227227671 is 17672272282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28227227671 - 2¹⁹ = 28226703383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28227227071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14113613835 + 14113613836.

It is an arithmetic number, because the mean of its divisors is an integer number (14113613836).

Almost surely, 2^28227227671 is an apocalyptic number.

28227227671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28227227671 is an equidigital number, since it uses as much as digits as its factorization.

28227227671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 526848, while the sum is 46.

The spelling of 28227227671 in words is "twenty-eight billion, two hundred twenty-seven million, two hundred twenty-seven thousand, six hundred seventy-one".