27121160767 has 4 divisors (see below), whose sum is σ = 27751885480. Its totient is φ = 26490436056.

The previous prime is 27121160761. The next prime is 27121160797. The reversal of 27121160767 is 76706112172.

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 27121160767 - 2¹¹ = 27121158719 is a prime.

It is a super-2 number, since 2×27121160767² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27121160761) 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, 315362292 + ... + 315362377.

It is an arithmetic number, because the mean of its divisors is an integer number (6937971370).

Almost surely, 2^27121160767 is an apocalyptic number.

27121160767 is a deficient number, since it is larger than the sum of its proper divisors (630724713).

27121160767 is an equidigital number, since it uses as much as digits as its factorization.

27121160767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630724712.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 27121160767 in words is "twenty-seven billion, one hundred twenty-one million, one hundred sixty thousand, seven hundred sixty-seven".