27776125 has 16 divisors (see below), whose sum is σ = 37333296. Its totient is φ = 20510400.

The previous prime is 27776117. The next prime is 27776129. The reversal of 27776125 is 52167772.

It can be written as a sum of positive squares in 8 ways, for example, as 13623481 + 14152644 = 3691^2 + 3762^2 .

It is not a de Polignac number, because 27776125 - 2³ = 27776117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27776129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6922 + ... + 10171.

It is an arithmetic number, because the mean of its divisors is an integer number (2333331).

Almost surely, 2^27776125 is an apocalyptic number.

27776125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27776125 is a deficient number, since it is larger than the sum of its proper divisors (9557171).

27776125 is a wasteful number, since it uses less digits than its factorization.

27776125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17121 (or 17111 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 27776125 is about 5270.3059683476. The cubic root of 27776125 is about 302.8474254265.

The spelling of 27776125 in words is "twenty-seven million, seven hundred seventy-six thousand, one hundred twenty-five".