27808280305775 has 6 divisors (see below), whose sum is σ = 34482267579192. Its totient is φ = 22246624244600.

The previous prime is 27808280305759. The next prime is 27808280305811. The reversal of 27808280305775 is 57750308280872.

It is not a de Polignac number, because 27808280305775 - 2⁴ = 27808280305759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556165606091 + ... + 556165606140.

It is an arithmetic number, because the mean of its divisors is an integer number (5747044596532).

Almost surely, 2^{27808280305775} is an apocalyptic number.

27808280305775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27808280305775 is a deficient number, since it is larger than the sum of its proper divisors (6673987273417).

27808280305775 is a wasteful number, since it uses less digits than its factorization.

27808280305775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112331212241 (or 1112331212236 counting only the distinct ones).

The product of its (nonzero) digits is 52684800, while the sum is 62.

The spelling of 27808280305775 in words is "twenty-seven trillion, eight hundred eight billion, two hundred eighty million, three hundred five thousand, seven hundred seventy-five".