28527116 has 6 divisors (see below), whose sum is σ = 49922460. Its totient is φ = 14263556.

The previous prime is 28527101. The next prime is 28527131. The reversal of 28527116 is 61172582.

It is an interprime number because it is at equal distance from previous prime (28527101) and next prime (28527131).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565886 + ... + 3565893.

It is an arithmetic number, because the mean of its divisors is an integer number (8320410).

Almost surely, 2^28527116 is an apocalyptic number.

It is an amenable number.

28527116 is a deficient number, since it is larger than the sum of its proper divisors (21395344).

28527116 is a wasteful number, since it uses less digits than its factorization.

28527116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131783 (or 7131781 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 28527116 is about 5341.0781683102. The cubic root of 28527116 is about 305.5525806334.

Adding to 28527116 its reverse (61172582), we get a palindrome (89699698).

The spelling of 28527116 in words is "twenty-eight million, five hundred twenty-seven thousand, one hundred sixteen".