27071520343 has 6 divisors (see below), whose sum is σ = 31491360456. Its totient is φ = 23204160252.

The previous prime is 27071520331. The next prime is 27071520379. The reversal of 27071520343 is 34302517072.

It is a de Polignac number, because none of the positive numbers 2^k-27071520343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27071520299 and 27071520308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27071520313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276239955 + ... + 276240052.

It is an arithmetic number, because the mean of its divisors is an integer number (5248560076).

Almost surely, 2^27071520343 is an apocalyptic number.

27071520343 is a deficient number, since it is larger than the sum of its proper divisors (4419840113).

27071520343 is an equidigital number, since it uses as much as digits as its factorization.

27071520343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552480021 (or 552480014 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 27071520343 in words is "twenty-seven billion, seventy-one million, five hundred twenty thousand, three hundred forty-three".