28495867 has 2 divisors, whose sum is σ = 28495868. Its totient is φ = 28495866.

The previous prime is 28495849. The next prime is 28495889. The reversal of 28495867 is 76859482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28495867 - 2⁷ = 28495739 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28495867.

It is not a weakly prime, because it can be changed into another prime (28495807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14247933 + 14247934.

It is an arithmetic number, because the mean of its divisors is an integer number (14247934).

Almost surely, 2^28495867 is an apocalyptic number.

28495867 is a deficient number, since it is larger than the sum of its proper divisors (1).

28495867 is an equidigital number, since it uses as much as digits as its factorization.

28495867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The square root of 28495867 is about 5338.1520210650. The cubic root of 28495867 is about 305.4409710204.

The spelling of 28495867 in words is "twenty-eight million, four hundred ninety-five thousand, eight hundred sixty-seven".