169879121227 has 8 divisors (see below), whose sum is σ = 177283422720. Its totient is φ = 162476340840.

The previous prime is 169879121213. The next prime is 169879121281. The reversal of 169879121227 is 722121978961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 169879121227 - 2⁷ = 169879121099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169879121287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149049 + ... + 601642.

It is an arithmetic number, because the mean of its divisors is an integer number (22160427840).

Almost surely, 2^169879121227 is an apocalyptic number.

169879121227 is a deficient number, since it is larger than the sum of its proper divisors (7404301493).

169879121227 is an equidigital number, since it uses as much as digits as its factorization.

169879121227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760553.

The product of its digits is 1524096, while the sum is 55.

The spelling of 169879121227 in words is "one hundred sixty-nine billion, eight hundred seventy-nine million, one hundred twenty-one thousand, two hundred twenty-seven".