27271430007 has 4 divisors (see below), whose sum is σ = 36361906680. Its totient is φ = 18180953336.

The previous prime is 27271429921. The next prime is 27271430041. The reversal of 27271430007 is 70003417272.

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 27271430007 - 2¹⁴ = 27271413623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27271430007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27271430077) 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, 4545238332 + ... + 4545238337.

It is an arithmetic number, because the mean of its divisors is an integer number (9090476670).

Almost surely, 2^27271430007 is an apocalyptic number.

27271430007 is a deficient number, since it is larger than the sum of its proper divisors (9090476673).

27271430007 is an equidigital number, since it uses as much as digits as its factorization.

27271430007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090476672.

The product of its (nonzero) digits is 16464, while the sum is 33.

Adding to 27271430007 its reverse (70003417272), we get a palindrome (97274847279).

The spelling of 27271430007 in words is "twenty-seven billion, two hundred seventy-one million, four hundred thirty thousand, seven".