28818976752 has 120 divisors (see below), whose sum is σ = 83217017520. Its totient is φ = 9304335360.

The previous prime is 28818976733. The next prime is 28818976777. The reversal of 28818976752 is 25767981882.

It is a self number, because there is not a number n which added to its sum of digits gives 28818976752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 803098 + ... + 838214.

It is an arithmetic number, because the mean of its divisors is an integer number (693475146).

Almost surely, 2^28818976752 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 28818976752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41608508760).

28818976752 is an abundant number, since it is smaller than the sum of its proper divisors (54398040768).

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

28818976752 is a wasteful number, since it uses less digits than its factorization.

28818976752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35311 (or 35302 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 63.

The spelling of 28818976752 in words is "twenty-eight billion, eight hundred eighteen million, nine hundred seventy-six thousand, seven hundred fifty-two".