27143147744 has 12 divisors (see below), whose sum is σ = 53438072184. Its totient is φ = 13571573856.

The previous prime is 27143147743. The next prime is 27143147797. The reversal of 27143147744 is 44774134172.

It is a happy number.

It is a super-2 number, since 2×27143147744² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27143147695 and 27143147704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27143147743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424111652 + ... + 424111715.

It is an arithmetic number, because the mean of its divisors is an integer number (4453172682).

Almost surely, 2^27143147744 is an apocalyptic number.

It is an amenable number.

27143147744 is a deficient number, since it is larger than the sum of its proper divisors (26294924440).

27143147744 is an equidigital number, since it uses as much as digits as its factorization.

27143147744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848223377 (or 848223369 counting only the distinct ones).

The product of its digits is 526848, while the sum is 44.

The spelling of 27143147744 in words is "twenty-seven billion, one hundred forty-three million, one hundred forty-seven thousand, seven hundred forty-four".