28000063716 has 96 divisors (see below), whose sum is σ = 69353894400. Its totient is φ = 8767595520.

The previous prime is 28000063681. The next prime is 28000063757. The reversal of 28000063716 is 61736000082.

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, 30139540 + ... + 30140468.

It is an arithmetic number, because the mean of its divisors is an integer number (722436400).

Almost surely, 2^28000063716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28000063716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34676947200).

28000063716 is an abundant number, since it is smaller than the sum of its proper divisors (41353830684).

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

28000063716 is a wasteful number, since it uses less digits than its factorization.

28000063716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 28000063716 its reverse (61736000082), we get a palindrome (89736063798).

The spelling of 28000063716 in words is "twenty-eight billion, sixty-three thousand, seven hundred sixteen".