28022928696 has 384 divisors, whose sum is σ = 95831136000. Its totient is φ = 7544275200.

The previous prime is 28022928683. The next prime is 28022928697. The reversal of 28022928696 is 69682922082.

It is a super-2 number, since 2×28022928696² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28022928697) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66562566 + ... + 66562986.

It is an arithmetic number, because the mean of its divisors is an integer number (249560250).

Almost surely, 2^28022928696 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 28022928696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47915568000).

28022928696 is an abundant number, since it is smaller than the sum of its proper divisors (67808207304).

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

28022928696 is a wasteful number, since it uses less digits than its factorization.

28022928696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 28022928696 in words is "twenty-eight billion, twenty-two million, nine hundred twenty-eight thousand, six hundred ninety-six".