28679611 has 2 divisors, whose sum is σ = 28679612. Its totient is φ = 28679610.

The previous prime is 28679593. The next prime is 28679621. The reversal of 28679611 is 11697682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28679611 - 2¹¹ = 28677563 is a prime.

It is a super-2 number, since 2×28679611² = 1645040174222642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28679621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14339805 + 14339806.

It is an arithmetic number, because the mean of its divisors is an integer number (14339806).

Almost surely, 2^28679611 is an apocalyptic number.

28679611 is a deficient number, since it is larger than the sum of its proper divisors (1).

28679611 is an equidigital number, since it uses as much as digits as its factorization.

28679611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 28679611 is about 5355.3348167972. The cubic root of 28679611 is about 306.0960689146.

It can be divided in two parts, 286 and 79611, that added together give a palindrome (79897).

The spelling of 28679611 in words is "twenty-eight million, six hundred seventy-nine thousand, six hundred eleven".