27775028 has 12 divisors (see below), whose sum is σ = 48686400. Its totient is φ = 13864632.

The previous prime is 27775003. The next prime is 27775043. The reversal of 27775028 is 82057772.

It is a junction number, because it is equal to n+sod(n) for n = 27774982 and 27775000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828 + ... + 7971.

It is an arithmetic number, because the mean of its divisors is an integer number (4057200).

Almost surely, 2^27775028 is an apocalyptic number.

It is an amenable number.

27775028 is a deficient number, since it is larger than the sum of its proper divisors (20911372).

27775028 is a wasteful number, since it uses less digits than its factorization.

27775028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11446 (or 11444 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 27775028 is about 5270.2018936659. The cubic root of 27775028 is about 302.8434384533.

The spelling of 27775028 in words is "twenty-seven million, seven hundred seventy-five thousand, twenty-eight".