27066436225 has 48 divisors (see below), whose sum is σ = 37246366080. Its totient is φ = 19418572800.

The previous prime is 27066436207. The next prime is 27066436249. The reversal of 27066436225 is 52263466072.

It is a happy number.

It is not a de Polignac number, because 27066436225 - 2⁹ = 27066435713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1046955 + ... + 1072495.

It is an arithmetic number, because the mean of its divisors is an integer number (775965960).

Almost surely, 2^27066436225 is an apocalyptic number.

27066436225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27066436225 is a deficient number, since it is larger than the sum of its proper divisors (10179929855).

27066436225 is a wasteful number, since it uses less digits than its factorization.

27066436225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25690 (or 25685 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 27066436225 in words is "twenty-seven billion, sixty-six million, four hundred thirty-six thousand, two hundred twenty-five".