172027630639 has 8 divisors (see below), whose sum is σ = 176134579280. Its totient is φ = 167925514176.

The previous prime is 172027630609. The next prime is 172027630661. The reversal of 172027630639 is 936036720271.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172027630639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172027630609) 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, 1135944 + ... + 1278445.

It is an arithmetic number, because the mean of its divisors is an integer number (22016822410).

Almost surely, 2^172027630639 is an apocalyptic number.

172027630639 is a deficient number, since it is larger than the sum of its proper divisors (4106948641).

172027630639 is a wasteful number, since it uses less digits than its factorization.

172027630639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416089.

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 172027630639 in words is "one hundred seventy-two billion, twenty-seven million, six hundred thirty thousand, six hundred thirty-nine".