27084288287671 has 4 divisors (see below), whose sum is σ = 27427127380000. Its totient is φ = 26741449195344.

The previous prime is 27084288287629. The next prime is 27084288287677. The reversal of 27084288287671 is 17678288248072.

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 27084288287671 - 2¹⁹ = 27084287763383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27084288287671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27084288287677) 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, 171419546046 + ... + 171419546203.

It is an arithmetic number, because the mean of its divisors is an integer number (6856781845000).

Almost surely, 2^{27084288287671} is an apocalyptic number.

27084288287671 is a deficient number, since it is larger than the sum of its proper divisors (342839092329).

27084288287671 is an equidigital number, since it uses as much as digits as its factorization.

27084288287671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342839092328.

The product of its (nonzero) digits is 269746176, while the sum is 70.

The spelling of 27084288287671 in words is "twenty-seven trillion, eighty-four billion, two hundred eighty-eight million, two hundred eighty-seven thousand, six hundred seventy-one".