27603228725 has 6 divisors (see below), whose sum is σ = 34228003650. Its totient is φ = 22082582960.

The previous prime is 27603228713. The next prime is 27603228749. The reversal of 27603228725 is 52782230672.

It can be written as a sum of positive squares in 3 ways, for example, as 85063729 + 27518164996 = 9223^2 + 165886^2 .

It is not a de Polignac number, because 27603228725 - 2⁸ = 27603228469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552064550 + ... + 552064599.

It is an arithmetic number, because the mean of its divisors is an integer number (5704667275).

Almost surely, 2^27603228725 is an apocalyptic number.

27603228725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27603228725 is a deficient number, since it is larger than the sum of its proper divisors (6624774925).

27603228725 is a wasteful number, since it uses less digits than its factorization.

27603228725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104129159 (or 1104129154 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 27603228725 in words is "twenty-seven billion, six hundred three million, two hundred twenty-eight thousand, seven hundred twenty-five".