27667341121 has 4 divisors (see below), whose sum is σ = 31619818432. Its totient is φ = 23714863812.

The previous prime is 27667341113. The next prime is 27667341127. The reversal of 27667341121 is 12114376672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27667341121 - 2³ = 27667341113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27667341127) 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, 1976238645 + ... + 1976238658.

It is an arithmetic number, because the mean of its divisors is an integer number (7904954608).

Almost surely, 2^27667341121 is an apocalyptic number.

It is an amenable number.

27667341121 is a deficient number, since it is larger than the sum of its proper divisors (3952477311).

27667341121 is an equidigital number, since it uses as much as digits as its factorization.

27667341121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952477310.

The product of its digits is 84672, while the sum is 40.

The spelling of 27667341121 in words is "twenty-seven billion, six hundred sixty-seven million, three hundred forty-one thousand, one hundred twenty-one".