27005286984479 has 8 divisors (see below), whose sum is σ = 27153256730400. Its totient is φ = 26857439886816.

The previous prime is 27005286984457. The next prime is 27005286984581. The reversal of 27005286984479 is 97448968250072.

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

It is a cyclic number.

It is not a de Polignac number, because 27005286984479 - 2²⁴ = 27005270207263 is a prime.

It is a super-2 number, since 2×27005286984479² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27005286984409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30220472 + ... + 31101245.

It is an arithmetic number, because the mean of its divisors is an integer number (3394157091300).

Almost surely, 2^{27005286984479} is an apocalyptic number.

27005286984479 is a deficient number, since it is larger than the sum of its proper divisors (147969745921).

27005286984479 is a wasteful number, since it uses less digits than its factorization.

27005286984479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61324129.

The product of its (nonzero) digits is 487710720, while the sum is 71.

The spelling of 27005286984479 in words is "twenty-seven trillion, five billion, two hundred eighty-six million, nine hundred eighty-four thousand, four hundred seventy-nine".