27608080871 has 4 divisors (see below), whose sum is σ = 31552092432. Its totient is φ = 23664069312.

The previous prime is 27608080861. The next prime is 27608080873. The reversal of 27608080871 is 17808080672.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27608080871 - 2²⁶ = 27540972007 is a prime.

It is a super-2 number, since 2×27608080871² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27608080873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972005770 + ... + 1972005783.

It is an arithmetic number, because the mean of its divisors is an integer number (7888023108).

Almost surely, 2^27608080871 is an apocalyptic number.

27608080871 is a deficient number, since it is larger than the sum of its proper divisors (3944011561).

27608080871 is an equidigital number, since it uses as much as digits as its factorization.

27608080871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944011560.

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 27608080871 in words is "twenty-seven billion, six hundred eight million, eighty thousand, eight hundred seventy-one".