28316474727 has 8 divisors (see below), whose sum is σ = 39057206640. Its totient is φ = 18226696320.

The previous prime is 28316474653. The next prime is 28316474741. The reversal of 28316474727 is 72747461382.

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

It is not a de Polignac number, because 28316474727 - 2²⁴ = 28299697511 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 28316474727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28316474227) 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, 162738274 + ... + 162738447.

It is an arithmetic number, because the mean of its divisors is an integer number (4882150830).

Almost surely, 2^28316474727 is an apocalyptic number.

28316474727 is a deficient number, since it is larger than the sum of its proper divisors (10740731913).

28316474727 is a wasteful number, since it uses less digits than its factorization.

28316474727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325476753.

The product of its digits is 3161088, while the sum is 51.

The spelling of 28316474727 in words is "twenty-eight billion, three hundred sixteen million, four hundred seventy-four thousand, seven hundred twenty-seven".