27885044 has 12 divisors (see below), whose sum is σ = 53235168. Its totient is φ = 12675000.

The previous prime is 27885031. The next prime is 27885047. The reversal of 27885044 is 44058872.

It is a junction number, because it is equal to n+sod(n) for n = 27884989 and 27885007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27885047) 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, 316832 + ... + 316919.

It is an arithmetic number, because the mean of its divisors is an integer number (4436264).

Almost surely, 2^27885044 is an apocalyptic number.

It is an amenable number.

27885044 is a deficient number, since it is larger than the sum of its proper divisors (25350124).

27885044 is a wasteful number, since it uses less digits than its factorization.

27885044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633766 (or 633764 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 27885044 is about 5280.6291291853. The cubic root of 27885044 is about 303.2427627463.

Subtracting 27885044 from its reverse (44058872), we obtain a triangular number (16173828 = T₅₆₈₇).

The spelling of 27885044 in words is "twenty-seven million, eight hundred eighty-five thousand, forty-four".