28610087 has 24 divisors (see below), whose sum is σ = 33069120. Its totient is φ = 24710400.

The previous prime is 28610077. The next prime is 28610111. The reversal of 28610087 is 78001682.

It is not a de Polignac number, because 28610087 - 2¹² = 28605991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28610027) 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 23 ways as a sum of consecutive naturals, for example, 362114 + ... + 362192.

It is an arithmetic number, because the mean of its divisors is an integer number (1377880).

Almost surely, 2^28610087 is an apocalyptic number.

28610087 is a deficient number, since it is larger than the sum of its proper divisors (4459033).

28610087 is a wasteful number, since it uses less digits than its factorization.

28610087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 28610087 is about 5348.8397807375. The cubic root of 28610087 is about 305.8485267089.

It can be divided in two parts, 286 and 10087, that multiplied together give a palindrome (2884882).

The spelling of 28610087 in words is "twenty-eight million, six hundred ten thousand, eighty-seven".