27780682820275 has 48 divisors (see below), whose sum is σ = 42958310849280. Its totient is φ = 17313756969600.

The previous prime is 27780682820213. The next prime is 27780682820279. The reversal of 27780682820275 is 57202828608772.

It is not a de Polignac number, because 27780682820275 - 2²¹ = 27780680723123 is a prime.

It is a super-3 number, since 3×27780682820275³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27780682820279) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6504337 + ... + 9892813.

It is an arithmetic number, because the mean of its divisors is an integer number (894964809360).

Almost surely, 2^{27780682820275} is an apocalyptic number.

27780682820275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27780682820275 is a deficient number, since it is larger than the sum of its proper divisors (15177628029005).

27780682820275 is a wasteful number, since it uses less digits than its factorization.

27780682820275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392764 (or 3392759 counting only the distinct ones).

The product of its (nonzero) digits is 84295680, while the sum is 64.

The spelling of 27780682820275 in words is "twenty-seven trillion, seven hundred eighty billion, six hundred eighty-two million, eight hundred twenty thousand, two hundred seventy-five".