28667558118 has 8 divisors (see below), whose sum is σ = 57335116248. Its totient is φ = 9555852704.

The previous prime is 28667558111. The next prime is 28667558149. The reversal of 28667558118 is 81185576682.

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

28667558118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28667558111) 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, 2388963171 + ... + 2388963182.

It is an arithmetic number, because the mean of its divisors is an integer number (7166889531).

Almost surely, 2^28667558118 is an apocalyptic number.

28667558118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28667558118 is a wasteful number, since it uses less digits than its factorization.

28667558118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777926358.

The product of its digits is 6451200, while the sum is 57.

The spelling of 28667558118 in words is "twenty-eight billion, six hundred sixty-seven million, five hundred fifty-eight thousand, one hundred eighteen".