172028607027 has 8 divisors (see below), whose sum is σ = 229408912320. Its totient is φ = 114667019880.

The previous prime is 172028607011. The next prime is 172028607041. The reversal of 172028607027 is 720706820271.

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

It is not a de Polignac number, because 172028607027 - 2⁴ = 172028607011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172028607027.

It is not an unprimeable number, because it can be changed into a prime (172028607097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4658077 + ... + 4694862.

It is an arithmetic number, because the mean of its divisors is an integer number (28676114040).

Almost surely, 2^172028607027 is an apocalyptic number.

172028607027 is a deficient number, since it is larger than the sum of its proper divisors (57380305293).

172028607027 is an equidigital number, since it uses as much as digits as its factorization.

172028607027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9359073.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 172028607027 in words is "one hundred seventy-two billion, twenty-eight million, six hundred seven thousand, twenty-seven".