27078071147 has 4 divisors (see below), whose sum is σ = 27080875560. Its totient is φ = 27075266736.

The previous prime is 27078071099. The next prime is 27078071219. The reversal of 27078071147 is 74117087072.

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 27078071147 - 2⁸ = 27078070891 is a prime.

It is a super-3 number, since 3×27078071147³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27078071098 and 27078071107.

It is not an unprimeable number, because it can be changed into a prime (27078071747) 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, 1387673 + ... + 1407050.

It is an arithmetic number, because the mean of its divisors is an integer number (6770218890).

Almost surely, 2^27078071147 is an apocalyptic number.

27078071147 is a deficient number, since it is larger than the sum of its proper divisors (2804413).

27078071147 is an equidigital number, since it uses as much as digits as its factorization.

27078071147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804412.

The product of its (nonzero) digits is 153664, while the sum is 44.

The spelling of 27078071147 in words is "twenty-seven billion, seventy-eight million, seventy-one thousand, one hundred forty-seven".