28547672287 has 8 divisors (see below), whose sum is σ = 29011882032. Its totient is φ = 28084584000.

The previous prime is 28547672213. The next prime is 28547672333. The reversal of 28547672287 is 78227674582.

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

It is a cyclic number.

It is not a de Polignac number, because 28547672287 - 2²³ = 28539283679 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 (28547675287) 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, 228964 + ... + 330937.

It is an arithmetic number, because the mean of its divisors is an integer number (3626485254).

Almost surely, 2^28547672287 is an apocalyptic number.

28547672287 is a deficient number, since it is larger than the sum of its proper divisors (464209745).

28547672287 is an equidigital number, since it uses as much as digits as its factorization.

28547672287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560729.

The product of its digits is 21073920, while the sum is 58.

The spelling of 28547672287 in words is "twenty-eight billion, five hundred forty-seven million, six hundred seventy-two thousand, two hundred eighty-seven".