28885627 has 2 divisors, whose sum is σ = 28885628. Its totient is φ = 28885626.

The previous prime is 28885621. The next prime is 28885651. The reversal of 28885627 is 72658882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28885627 - 2¹⁹ = 28361339 is a prime.

It is not a weakly prime, because it can be changed into another prime (28885621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14442813 + 14442814.

It is an arithmetic number, because the mean of its divisors is an integer number (14442814).

Almost surely, 2^28885627 is an apocalyptic number.

28885627 is a deficient number, since it is larger than the sum of its proper divisors (1).

28885627 is an equidigital number, since it uses as much as digits as its factorization.

28885627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 46.

The square root of 28885627 is about 5374.5350496578. The cubic root of 28885627 is about 306.8272537688.

It can be divided in two parts, 2888 and 5627, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 28885627 in words is "twenty-eight million, eight hundred eighty-five thousand, six hundred twenty-seven".