27775720718017 has 8 divisors (see below), whose sum is σ = 28685781331200. Its totient is φ = 26874047760624.

The previous prime is 27775720718003. The next prime is 27775720718021. The reversal of 27775720718017 is 71081702757772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27775720718017 - 2¹¹ = 27775720715969 is a prime.

It is a super-2 number, since 2×27775720718017² (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 (27775720718027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096907217 + ... + 2096920462.

It is an arithmetic number, because the mean of its divisors is an integer number (3585722666400).

Almost surely, 2^{27775720718017} is an apocalyptic number.

It is an amenable number.

27775720718017 is a deficient number, since it is larger than the sum of its proper divisors (910060613183).

27775720718017 is a wasteful number, since it uses less digits than its factorization.

27775720718017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193827895.

The product of its (nonzero) digits is 18823840, while the sum is 61.

The spelling of 27775720718017 in words is "twenty-seven trillion, seven hundred seventy-five billion, seven hundred twenty million, seven hundred eighteen thousand, seventeen".