28627065 has 48 divisors (see below), whose sum is σ = 54857088. Its totient is φ = 13736448.

The previous prime is 28627063. The next prime is 28627073. The reversal of 28627065 is 56072682.

28627065 is a `hidden beast` number, since 28 + 627 + 0 + 6 + 5 = 666.

It is not a de Polignac number, because 28627065 - 2¹ = 28627063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28627063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16782 + ... + 18408.

It is an arithmetic number, because the mean of its divisors is an integer number (1142856).

Almost surely, 2^28627065 is an apocalyptic number.

It is an amenable number.

28627065 is a deficient number, since it is larger than the sum of its proper divisors (26230023).

28627065 is a wasteful number, since it uses less digits than its factorization.

28627065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 28627065 is about 5350.4266185044. The cubic root of 28627065 is about 305.9090143435.

The spelling of 28627065 in words is "twenty-eight million, six hundred twenty-seven thousand, sixty-five".