28274611 has 2 divisors, whose sum is σ = 28274612. Its totient is φ = 28274610.

The previous prime is 28274591. The next prime is 28274651. The reversal of 28274611 is 11647282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28274611 - 2⁷ = 28274483 is a prime.

It is not a weakly prime, because it can be changed into another prime (28274651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14137305 + 14137306.

It is an arithmetic number, because the mean of its divisors is an integer number (14137306).

Almost surely, 2^28274611 is an apocalyptic number.

28274611 is a deficient number, since it is larger than the sum of its proper divisors (1).

28274611 is an equidigital number, since it uses as much as digits as its factorization.

28274611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 28274611 is about 5317.3876104719. The cubic root of 28274611 is about 304.6483845521.

The spelling of 28274611 in words is "twenty-eight million, two hundred seventy-four thousand, six hundred eleven".