27932017755625 has 15 divisors (see below), whose sum is σ = 34904014493953. Its totient is φ = 22345508503000.

The previous prime is 27932017755601. The next prime is 27932017755689. The reversal of 27932017755625 is 52655771023972.

The square root of 27932017755625 is 5285075.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 2189870192041 + 25742147563584 = 1479821^2 + 5073672^2 .

It is not a de Polignac number, because 27932017755625 - 2³⁹ = 27382261941737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 132021174 + ... + 132232576.

Almost surely, 2^{27932017755625} is an apocalyptic number.

27932017755625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27932017755625 is the 5285075-th square number.

27932017755625 is the 2642538-th centered octagonal number.

It is an amenable number.

27932017755625 is a deficient number, since it is larger than the sum of its proper divisors (6971996738328).

27932017755625 is an frugal number, since it uses more digits than its factorization.

27932017755625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422826 (or 211408 counting only the distinct ones).

The product of its (nonzero) digits is 55566000, while the sum is 61.

The spelling of 27932017755625 in words is "twenty-seven trillion, nine hundred thirty-two billion, seventeen million, seven hundred fifty-five thousand, six hundred twenty-five".