117728327267 has 4 divisors (see below), whose sum is σ = 117730345200. Its totient is φ = 117726309336.

The previous prime is 117728327263. The next prime is 117728327293. The reversal of 117728327267 is 762723827711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 762723827711 = 768857 ⋅992023.

It is a cyclic number.

It is not a de Polignac number, because 117728327267 - 2² = 117728327263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117728327261) 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, 918767 + ... + 1039032.

It is an arithmetic number, because the mean of its divisors is an integer number (29432586300).

Almost surely, 2^117728327267 is an apocalyptic number.

117728327267 is a deficient number, since it is larger than the sum of its proper divisors (2017933).

117728327267 is an equidigital number, since it uses as much as digits as its factorization.

117728327267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017932.

The product of its digits is 2765952, while the sum is 53.

The spelling of 117728327267 in words is "one hundred seventeen billion, seven hundred twenty-eight million, three hundred twenty-seven thousand, two hundred sixty-seven".