28367870727 has 8 divisors (see below), whose sum is σ = 43227231616. Its totient is φ = 16210211832.

The previous prime is 28367870701. The next prime is 28367870749. The reversal of 28367870727 is 72707876382.

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

It is not a de Polignac number, because 28367870727 - 2¹⁸ = 28367608583 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 (28367870527) 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, 675425473 + ... + 675425514.

It is an arithmetic number, because the mean of its divisors is an integer number (5403403952).

Almost surely, 2^28367870727 is an apocalyptic number.

28367870727 is a deficient number, since it is larger than the sum of its proper divisors (14859360889).

28367870727 is a wasteful number, since it uses less digits than its factorization.

28367870727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350850997.

The product of its (nonzero) digits is 11063808, while the sum is 57.

The spelling of 28367870727 in words is "twenty-eight billion, three hundred sixty-seven million, eight hundred seventy thousand, seven hundred twenty-seven".