27427677276736 has 63 divisors (see below), whose sum is σ = 59825501232553. Its totient is φ = 12466916549120.

The previous prime is 27427677276733. The next prime is 27427677276757. The reversal of 27427677276736 is 63767277672472.

The square root of 27427677276736 is 5237144.

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

It can be written as a sum of positive squares in only one way, i.e., 921729600 + 27426755547136 = 30360^2 + 5237056^2 .

It is a super-2 number, since 2×27427677276736² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27427677276733) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 460838916 + ... + 460898428.

Almost surely, 2^{27427677276736} is an apocalyptic number.

27427677276736 is the 5237144-th square number.

It is an amenable number.

27427677276736 is an abundant number, since it is smaller than the sum of its proper divisors (32397823955817).

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

27427677276736 is an frugal number, since it uses more digits than its factorization.

27427677276736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119060 (or 59526 counting only the distinct ones).

The product of its digits is 2439569664, while the sum is 73.

The spelling of 27427677276736 in words is "twenty-seven trillion, four hundred twenty-seven billion, six hundred seventy-seven million, two hundred seventy-six thousand, seven hundred thirty-six".