28869367296 has 640 divisors, whose sum is σ = 104650444800. Its totient is φ = 6843432960.

The previous prime is 28869367283. The next prime is 28869367339. The reversal of 28869367296 is 69276396882.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65167651 + ... + 65168093.

It is an arithmetic number, because the mean of its divisors is an integer number (163516320).

Almost surely, 2^28869367296 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 28869367296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52325222400).

28869367296 is an abundant number, since it is smaller than the sum of its proper divisors (75781077504).

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

28869367296 is a wasteful number, since it uses less digits than its factorization.

28869367296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 514 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 66.

The spelling of 28869367296 in words is "twenty-eight billion, eight hundred sixty-nine million, three hundred sixty-seven thousand, two hundred ninety-six".