28357883 has 2 divisors, whose sum is σ = 28357884. Its totient is φ = 28357882.

The previous prime is 28357867. The next prime is 28357909. The reversal of 28357883 is 38875382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28357883 - 2⁴ = 28357867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (28357843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14178941 + 14178942.

It is an arithmetic number, because the mean of its divisors is an integer number (14178942).

Almost surely, 2^28357883 is an apocalyptic number.

28357883 is a deficient number, since it is larger than the sum of its proper divisors (1).

28357883 is an equidigital number, since it uses as much as digits as its factorization.

28357883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 44.

The square root of 28357883 is about 5325.2120145587. The cubic root of 28357883 is about 304.9471663389.

It can be divided in two parts, 28 and 357883, that added together give a cube (357911 = 71³).

The spelling of 28357883 in words is "twenty-eight million, three hundred fifty-seven thousand, eight hundred eighty-three".