28575763 has 2 divisors, whose sum is σ = 28575764. Its totient is φ = 28575762.

The previous prime is 28575761. The next prime is 28575839. The reversal of 28575763 is 36757582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28575763 - 2¹ = 28575761 is a prime.

Together with 28575761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28575761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14287881 + 14287882.

It is an arithmetic number, because the mean of its divisors is an integer number (14287882).

Almost surely, 2^28575763 is an apocalyptic number.

28575763 is a deficient number, since it is larger than the sum of its proper divisors (1).

28575763 is an equidigital number, since it uses as much as digits as its factorization.

28575763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

The square root of 28575763 is about 5345.6302715395. The cubic root of 28575763 is about 305.7261672322.

The spelling of 28575763 in words is "twenty-eight million, five hundred seventy-five thousand, seven hundred sixty-three".