28627853 has 4 divisors (see below), whose sum is σ = 28803648. Its totient is φ = 28452060.

The previous prime is 28627811. The next prime is 28627871. The reversal of 28627853 is 35872682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35872682 = 2 ⋅17936341.

It is a cyclic number.

It is not a de Polignac number, because 28627853 - 2⁶ = 28627789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28627853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28627873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87653 + ... + 87978.

It is an arithmetic number, because the mean of its divisors is an integer number (7200912).

Almost surely, 2^28627853 is an apocalyptic number.

It is an amenable number.

28627853 is a deficient number, since it is larger than the sum of its proper divisors (175795).

28627853 is a wasteful number, since it uses less digits than its factorization.

28627853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175794.

The product of its digits is 161280, while the sum is 41.

The square root of 28627853 is about 5350.5002569853. The cubic root of 28627853 is about 305.9118211755.

The spelling of 28627853 in words is "twenty-eight million, six hundred twenty-seven thousand, eight hundred fifty-three".