28147629163 has 4 divisors (see below), whose sum is σ = 28195096248. Its totient is φ = 28100162080.

The previous prime is 28147629157. The next prime is 28147629197. The reversal of 28147629163 is 36192674182.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28147629163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28147629863) 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, 23732653 + ... + 23733838.

It is an arithmetic number, because the mean of its divisors is an integer number (7048774062).

Almost surely, 2^28147629163 is an apocalyptic number.

28147629163 is a deficient number, since it is larger than the sum of its proper divisors (47467085).

28147629163 is an equidigital number, since it uses as much as digits as its factorization.

28147629163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47467084.

The product of its digits is 870912, while the sum is 49.

The spelling of 28147629163 in words is "twenty-eight billion, one hundred forty-seven million, six hundred twenty-nine thousand, one hundred sixty-three".