27628856 has 32 divisors (see below), whose sum is σ = 53317440. Its totient is φ = 13415808.

The previous prime is 27628813. The next prime is 27628873. The reversal of 27628856 is 65882672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73886 + ... + 74258.

It is an arithmetic number, because the mean of its divisors is an integer number (1666170).

Almost surely, 2^27628856 is an apocalyptic number.

It is an amenable number.

27628856 is a deficient number, since it is larger than the sum of its proper divisors (25688584).

27628856 is a wasteful number, since it uses less digits than its factorization.

27628856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 619 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 27628856 is about 5256.3158200397. The cubic root of 27628856 is about 302.3112444003.

The spelling of 27628856 in words is "twenty-seven million, six hundred twenty-eight thousand, eight hundred fifty-six".