28682671 has 2 divisors, whose sum is σ = 28682672. Its totient is φ = 28682670.

The previous prime is 28682623. The next prime is 28682681. The reversal of 28682671 is 17628682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28682671 - 2²³ = 20294063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28682611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14341335 + 14341336.

It is an arithmetic number, because the mean of its divisors is an integer number (14341336).

Almost surely, 2^28682671 is an apocalyptic number.

28682671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28682671 is an equidigital number, since it uses as much as digits as its factorization.

28682671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 28682671 is about 5355.6205055997. The cubic root of 28682671 is about 306.1069549370.

The spelling of 28682671 in words is "twenty-eight million, six hundred eighty-two thousand, six hundred seventy-one".