27959930027 has 4 divisors (see below), whose sum is σ = 27988374480. Its totient is φ = 27931485576.

The previous prime is 27959930003. The next prime is 27959930069. The reversal of 27959930027 is 72003995972.

It is a happy number.

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 27959930027 - 2¹⁰ = 27959929003 is a prime.

It is a super-2 number, since 2×27959930027² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27959930227) 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, 14220752 + ... + 14222717.

It is an arithmetic number, because the mean of its divisors is an integer number (6997093620).

Almost surely, 2^27959930027 is an apocalyptic number.

27959930027 is a deficient number, since it is larger than the sum of its proper divisors (28444453).

27959930027 is an equidigital number, since it uses as much as digits as its factorization.

27959930027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28444452.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The spelling of 27959930027 in words is "twenty-seven billion, nine hundred fifty-nine million, nine hundred thirty thousand, twenty-seven".