28002673776 has 480 divisors, whose sum is σ = 94043980800. Its totient is φ = 7025356800.

The previous prime is 28002673729. The next prime is 28002673793. The reversal of 28002673776 is 67737620082.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 256905210 + ... + 256905318.

It is an arithmetic number, because the mean of its divisors is an integer number (195924960).

Almost surely, 2^28002673776 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 28002673776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47021990400).

28002673776 is an abundant number, since it is smaller than the sum of its proper divisors (66041307024).

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

28002673776 is a wasteful number, since it uses less digits than its factorization.

28002673776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 28002673776 in words is "twenty-eight billion, two million, six hundred seventy-three thousand, seven hundred seventy-six".