28317757776 has 360 divisors, whose sum is σ = 98479009440. Its totient is φ = 6966812160.

The previous prime is 28317757771. The next prime is 28317757841. The reversal of 28317757776 is 67775771382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28317757771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5404630 + ... + 5409866.

It is an arithmetic number, because the mean of its divisors is an integer number (273552804).

Almost surely, 2^28317757776 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 28317757776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49239504720).

28317757776 is an abundant number, since it is smaller than the sum of its proper divisors (70161251664).

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

28317757776 is a wasteful number, since it uses less digits than its factorization.

28317757776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303 (or 5279 counting only the distinct ones).

The product of its digits is 24202080, while the sum is 60.

The spelling of 28317757776 in words is "twenty-eight billion, three hundred seventeen million, seven hundred fifty-seven thousand, seven hundred seventy-six".