28718759118 has 64 divisors (see below), whose sum is σ = 66501711360. Its totient is φ = 8098209792.

The previous prime is 28718759081. The next prime is 28718759161. The reversal of 28718759118 is 81195781782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3932046 + ... + 3939342.

It is an arithmetic number, because the mean of its divisors is an integer number (1039089240).

Almost surely, 2^28718759118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28718759118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33250855680).

28718759118 is an abundant number, since it is smaller than the sum of its proper divisors (37782952242).

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

28718759118 is a wasteful number, since it uses less digits than its factorization.

28718759118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521.

The product of its digits is 2257920, while the sum is 57.

The spelling of 28718759118 in words is "twenty-eight billion, seven hundred eighteen million, seven hundred fifty-nine thousand, one hundred eighteen".