28111627 has 2 divisors, whose sum is σ = 28111628. Its totient is φ = 28111626.

The previous prime is 28111613. The next prime is 28111639. The reversal of 28111627 is 72611182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28111627 - 2¹¹ = 28109579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28111595 and 28111604.

It is not a weakly prime, because it can be changed into another prime (28111607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14055813 + 14055814.

It is an arithmetic number, because the mean of its divisors is an integer number (14055814).

Almost surely, 2^28111627 is an apocalyptic number.

28111627 is a deficient number, since it is larger than the sum of its proper divisors (1).

28111627 is an equidigital number, since it uses as much as digits as its factorization.

28111627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 28.

The square root of 28111627 is about 5302.0398904573. The cubic root of 28111627 is about 304.0618922633.

The spelling of 28111627 in words is "twenty-eight million, one hundred eleven thousand, six hundred twenty-seven".