27447061025 has 12 divisors (see below), whose sum is σ = 34057824252. Its totient is φ = 21942507840.

The previous prime is 27447060997. The next prime is 27447061027. The reversal of 27447061025 is 52016074472.

It can be written as a sum of positive squares in 6 ways, for example, as 126607504 + 27320453521 = 11252^2 + 165289^2 .

It is not a de Polignac number, because 27447061025 - 2⁶ = 27447060961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27447061025.

It is not an unprimeable number, because it can be changed into a prime (27447061027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341474 + ... + 414123.

It is an arithmetic number, because the mean of its divisors is an integer number (2838152021).

Almost surely, 2^27447061025 is an apocalyptic number.

27447061025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27447061025 is a deficient number, since it is larger than the sum of its proper divisors (6610763227).

27447061025 is a wasteful number, since it uses less digits than its factorization.

27447061025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757060 (or 757055 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 27447061025 in words is "twenty-seven billion, four hundred forty-seven million, sixty-one thousand, twenty-five".