27545429643876 has 27 divisors (see below), whose sum is σ = 69628804533561. Its totient is φ = 9181799384544.

The previous prime is 27545429643859. The next prime is 27545429643943. The reversal of 27545429643876 is 67834692454572.

The square root of 27545429643876 is 5248374.

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

27545429643876 is a `hidden beast` number, since 2 + 7 + 5 + 4 + 542 + 9 + 6 + 4 + 3 + 8 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2534228389476 + 25011201254400 = 1591926^2 + 5001120^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31052880 + ... + 31927608.

Almost surely, 2^{27545429643876} is an apocalyptic number.

27545429643876 is the 5248374-th square number.

It is an amenable number.

27545429643876 is an abundant number, since it is smaller than the sum of its proper divisors (42083374889685).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27545429643876 is an frugal number, since it uses more digits than its factorization.

27545429643876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749468 (or 874734 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 72.

The spelling of 27545429643876 in words is "twenty-seven trillion, five hundred forty-five billion, four hundred twenty-nine million, six hundred forty-three thousand, eight hundred seventy-six".